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34. Commission de la Matiere Interstellaire et des Nebuleuses Planetaires

Published online by Cambridge University Press:  16 November 2021

Lyman Spitzer Jr*
Affiliation:
Princeton University Observatory, Princeton, New Jersey, U.S.A.

Abstract

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Type
Meeting Report
Copyright
Copyright © Academic Press 1962 

References

1. Aller, L. H. Abundances of the Elements, Interscience Publishers, 1961.Google Scholar
2. Seaton, M. J. Rep. Progr. Phys. 23, 313, 1960.Google Scholar
3. Perek, L. Bull. astr. Insts. Csl. 11, 256, 1960.Google Scholar
4. Westerlund, B. and Rodgers, A. W. Observatory 79, 132, 1959.Google Scholar
5. Kohoutek, L. Bull. astr. Insts. Csl. 11, 64, 1960.Google Scholar
6. Pskovsky, J. P. Astr. J. Moscow 36, 305, 1959.Google Scholar
7. Razmadze, N. A. Bull. Abastumani Astrophys. Obs. 23, 94, 1958.Google Scholar
8. Bowen, I. S. Ap. J. 132, 1, 1960.Google Scholar
9. Razmadze, N. A. Astr. J. Moscow 37, 342, 1960.Google Scholar
10. Evans, D. S. M.N. 119, 150, 1959.Google Scholar
11. Gurzadian, G. A. and Razmadze, N. A. Contr. Burakan Obs. 26, 19, 1959.Google Scholar
11a. Vorontsov-Velyaminov, B. A. Astr. J. Moscow, 37, 994, 1960: ibid, in press, 1961.Google Scholar
12. Burgess, A. M.N. 118, 477, 1958.Google Scholar
13. Searle, L. Ap. J. 128, 489, 1959.Google Scholar
14. Seaton, M. J. M.N. 119, 81, 1959.Google Scholar
15. Seaton, M. J. M.N. 119, 90, 1959.Google Scholar
16. Nikitin, A. A. Astr. J. Moscow 36, 778, 1959.Google Scholar
17. Garstang, R. H. M.N. 118, 234, 1958.Google Scholar
18. Garstang, R. H. M.N. 118, 572, 1958.Google Scholar
19. Pottasch, S. Ap. J. 131, 202, 1960.Google Scholar
20. Osterbrock, D. E. Ap. J. 131, 541, 1960.Google Scholar
21. Minkowski, R. and Osterbrock, D. Ap. J. 131, 537, 1960.Google Scholar
22. Efimov, J. S. Astr. J. Moscow 36, 457, 1959.Google Scholar
23. Westerlund, B. Ark. Astr. 1961 (in press).Google Scholar
23a. Johnson, H. M. P.A.S.P. 72, 418, 1961.Google Scholar
24. Zanstra, H. and Aller, L. H. B.A.N. 15, 237 and 249 (no. 503), 1961.Google Scholar
25. Pronik, V. I. Publ. Crim. Aph. Obs. 25, 1961 (in press).Google Scholar
26. Pronik, V. I. Astr. jf. Moscow, 1961 (in press).Google Scholar
27. Burgess, A. and Seaton, M. J. M.N. 121, 76, 1960.Google Scholar
28. Seaton, M. J. M.N. 120, 326, 1960.Google Scholar
29. Gurzadian, G. A. Contr. Burakan Obs. 27, 73, 1959.Google Scholar
30. Gurzadian, G. A. C.R. Acad. Sci. U.R.S.S. 130, 47, 1960.Google Scholar
31. Gurzadian, G. A. Vistas in Astronomy, Vol. IV, 1961 (in press).Google Scholar
32. Gurzadian, G. A. C.R. Acad. Sci. U.R.S.S. 130, 287, 1960.Google Scholar
33. Ikhsanov, P. N. Publ. Crim. Aph. Obs. 23, 31, 1960.Google Scholar
34. Gershberg, R. E. and Metik, L. P. Publ. Crim. Aph. Obs. 24, 1961 (in press).Google Scholar
35. Sharpless, S. Ap. J. Suppl. 4, 257, (no. 41), 1959.Google Scholar
36. Rodgers, A. W., Campbell, C. T. and Whiteoak, J. B. M.N. 121, 103, 1960.Google Scholar
37. Courtès, G. Ann. Ap. 23, 115, 1960.Google Scholar
38. Vorontsov-Velyaminov, B. A. Astr. Circ. U.S.S.R. no. 211.Google Scholar
39. Rozhkovski, D. A. Izv. Ap. Inst. Acad. Sci. Kazakh. S.S.R. 10, 15, 1960.Google Scholar
40. Johnson, H. M. P.A.S.P. 72, 10, 1960.Google Scholar
41. Gershberg, R. E. Publ. Crim. Aph. Obs. 23, 21, 1960.Google Scholar
42. Dombrovsky, V. A. Astr. J. Moscow, 35, 687, 1958.Google Scholar
42a. Martel, M. T. Supp. Ann. Ap. no. 7, 1958.Google Scholar
43. Sobolev, V. V. C.R. Acad. Sci. U.R.S.S. 129, no. 6, 1959.Google Scholar
44. Sobolev, V. V. Astr. J. Moscow 37, 3, 1960.Google Scholar
45. Ivanov, V. V. Bull. Leningrad Univ. 1961 (in press).Google Scholar
46. Kaplan, S. A., Klimishin, I. A. and Sivers, V. N. Astr. J. Moscow 37, 9, 1960.Google Scholar
47. Kaplan, S. A. and Sivers, V. N. Astr. J. Moscow 37, 824, 1960.Google Scholar
48. Sobolev, V. V. Mém. Soc. Sci. Liège, 20, 148, 1958.Google Scholar
49. Andrillat, Y. and Andrillat, H. Ann. Ap. 22, 104, 1959.Google Scholar
50. Pottasch, S. R. Ann. Ap. 23, 749, 1960.Google Scholar
51. Flather, E. and Osterbrock, D. Ap. J. 132, 18, 1960.Google Scholar
52. Aller, L. H. and Liller, W. Ap. J. 130, 45, 1959.Google Scholar
53. Osterbrock, D. and Flather, E. Ap. J. 129, 26, 1959.Google Scholar
54. Dokutchaeva, O. D. Astr. J. Moscow 30, 461, 1959.Google Scholar
55. Rishbeth, H. M.N. 118, 591, 1958.Google Scholar
56. Wilson, O. C., Münch, G., Flather, E. and Coffeen, M. Ap. J. Suppl. 4, 199, (no. 40) 1959.Google Scholar
57. Menon, T. K. Ap. J. 127, 28, 1958.Google Scholar
58. Gershberg, R. E. and Pronik, V. I. Publ. Crim. Aph. Obs. 21, 215, 1959.Google Scholar
59. Pronik, V. I. Publ. Crim. Aph. Obs. 23, 3, 1960.Google Scholar
60. Gershberg, V. E., Pronik, V. I. and Shcheglov, P. V. Publ. Crim. Aph. Obs. 22, 150, 1960.Google Scholar
61. Jessipov, V. F. Astr.J. Moscow, 1961 (in press).Google Scholar
62. Osterbrock, D. and Stockhausen, R. F. Ap. J. 131, 310, 1960.Google Scholar
63. Osterbrock, D. E. P.A.S.P. 70, 180, 1958.Google Scholar
64. Ikhsanov, R. N. Astr. J. Moscow 37, 275, 1960.Google Scholar
65. Herbig, G. H. P.A.S.P. 70, 468, 1958.Google Scholar
66. Osterbrock, D. E. P.A.S.P. 70, 309, 1958.Google Scholar
67. Dolidze, M. V. Bull. Abastumani Astrophys. Obs. no. 25, 1960.Google Scholar
68. Osterbrock, D. P.A.S.P. 71, 23, 1959.Google Scholar
68a. Johnson, H. M. P.A.S.P. 71, 342 and 425, 1959.Google Scholar
69. Parijsky, J. N. Pulkovo Bull. 21, 54, (no. 164), 1960.Google Scholar
70. Parijsky, J. N. Pulkovo Bull. 21, 45, (no. 164), 1960.Google Scholar
71. Helfer, H. L. P.A.S.P. 70, 455, 1959.Google Scholar
72. Helfer, H. L. and Tatel, H. E. Ap. J. 129, 565, 1959.Google Scholar
73. Gershberg, R. E. and Pronik, V. I. Astr. J. Moscow 36, 902, 1959.Google Scholar
74. Pottasch, S. Ap. J. 132, 269, 1960.Google Scholar
75. Grubissich, C. Z. Ap. 50, 21, 1960.Google Scholar
76. Ikhsanov, R. E. Astr. J. Moscow 37, 642, 1960.Google Scholar
77. Gershberg, R. E. Astr. J. Moscow, 1961 (in press).Google Scholar
78. Aller, L. H. and Chapman, S. Ap. J. 127, 797, 1958.Google Scholar
79. Ikhsanov, R. N. Astr. J. Moscow 37, 642, 1960.Google Scholar
80. Kupperian, J. E., Boggess, A. and Milligan, J. E. Ap. J. 128, 453, 1958.Google Scholar
81. Shklovsky, I. S. Astr. J. Moscow, 36, 579, 1959.Google Scholar
81a. Johnson, H. M. P.A.S.P. 73, 73, 1961.Google Scholar
82. Mills, B. Y. P.A.S.P. 71, 267, 1959.Google Scholar
83. Pikelner, S. B. Physics of the Interstellar Medium, Moscow, 1959.Google Scholar
84. Oort, J. H., Kerr, F. T. and Westerhout, G. M.N. 118, 379, 1958.Google Scholar
85. Vorontsov-Velyaminov, B. A. Survey paper on ‘Interstellar Gas’ in Symposium, Soviet Astronomy for 40 Years , Moscow, 1961.Google Scholar
86. Paris Symposium on Radio Astronomy, IAU Symp. no. 9, Stanford Univ. Press, 1959.Google Scholar
87. Oort, J. H. B.A.N. 15, 45, (no. 494), 1960.Google Scholar
88. Douglas, A. E. and Morton, J. R. Ap. J. 131, 1, 1960.Google Scholar
89. Burgess, A., Field, G. B. and Michie, R. W. Ap. J. 131, 529, 1960.Google Scholar
90. Rogerson, J.B., Spitzer, L. and Bahng, J. D. Ap. J. 130, 991, 1959.Google Scholar
91. Takakubo, K. Publ. astr. Soc. Japan 10, 176 and 187, 1959.Google Scholar
92. Smak, J. Acta. astr. Cracoviae 8, 43, 1958.Google Scholar
93. Lambrecht, H. and Schmidt, K. H. Wiss. Z. Fr.-Schiller. Univ. Jena, Math.-Nat. Reihe, 8, 1, 1958.Google Scholar
94. Code, A. D. P.A.S.P. 70, 407, 1958.Google Scholar
95. Wilson, R. Ap. J. 128, 57, 1958.Google Scholar
96. Spitzer, L. and Zabriskie, F. P.A.S.P. 71, 412, 1959.Google Scholar
97. Rodgers, A. W., Campbell, C. T., Whiteoak, J.B., Bailey, H. H. and Hunt, V. O. Atlas of H-Alpha Emission in the Southern Milky Way, Mt. Stromlo Obs. 1961.Google Scholar
98. Johnson, H. M. Mem. Mt. Stromlo Obs. no. 15, 1960.Google Scholar
99. Westerhout, G. B.A.N. 14, 215, (no. 488), 1958.Google Scholar
100. Krassovsky, V. I. Astr. J. Moscow, 35, 825, 1958.Google Scholar
101. Donn, B. Ap. J. 132, 507, 1960.Google Scholar
102. Takayanagi, K. and Nishimura, S. Publ. astr. Soc. Japan. 12, 77, 1960.Google Scholar
103. Hayakawa, S. Publ. astr. Soc. Japan, 12, 110, 1960.Google Scholar
104. McCrea, W. H. and McNally, D. M.N. 121, 238, 1960.Google Scholar
105. Brenhaus, G. E. Astr.J. Moscow, 37, 584, 1960.Google Scholar
106. Bolton, J. G., Stanley, G. J. and Harris, D. E. P.A.S.P. 70, 544, 1958.Google Scholar
107. Davies, R. D. M.N. 120, 483, 1960.Google Scholar
108. Dieter, N. H. Ap. J. 132, 49, 1960.Google Scholar
109. Gum, C. S., Kerr, F. J. and Westerhout, G. M.N. 121, 132, 1960.Google Scholar
110. Hack, M. and van Woerden, H. B.A.N. 1961 (in press).Google Scholar
111. Kerr, F. J. Nature, 188, 216, 1960.Google Scholar
112. Kerr, F. J., Hindman, J. V. and Gum, C. S. Aust. J. Phys. 12, 270, 1959.Google Scholar
113. McGee, R. X. and Murray, J. D. Aust. J. Phys. 12, 127, 1959.Google Scholar
114. Pronik, V. I. Astr. J. Moscow, 1961 (in press).Google Scholar
115. Pronik, V. I. Publ. Crim. Aph. Obs. 23, 46, 1960.Google Scholar
116. Radnakrishnan, V. P.A.S.P. 72, 296, 1960.Google Scholar
117. Sorotchenko, R. D. Astr. J. Moscow, 1961 (in press).Google Scholar
118. Ikhsanov, R. N. Publ. Crim. Aph. Obs. 23, 1960.Google Scholar
119. Large, M. I., Haslam, C. G. T. and Mathewson, D. S. M.N. 120, 242, 1960.Google Scholar
120. Courtès, G. and Cruvellier, P. C.R. 251, 2470, 1960.Google Scholar
121. Parijsky, J. N. Pulkovo Bull. 21, (no. 164), 1960.Google Scholar
122. Davies, R. D. and Jennison, R. C. Observatory 80, 74, 1960.Google Scholar
123. Shklovsky, I. S. Astr. J. Moscow, 37, 591, 1960.Google Scholar
124. Razin, B. A. Astr. J. Moscow, 35, 829, 1958.Google Scholar
125. Getmanzev, G. G. Astr. J. Moscow 36, 422, 1959.Google Scholar
126. Pikelner, S.B. and Shklovsky, I. S. Ann. Ap. 22, 913, 1959.Google Scholar
127. Kahn, F. D. and Woltjer, L. Ap. J. 130, 705, 1959.Google Scholar
128. Field, G.B. Ap. J. 129, 525, 536 and 551, 1959.Google Scholar
129. Field, G.B. Ap. J. 133 1961 (in press).Google Scholar
130. Feast, M. W. M.N. 122, 1, 1961.Google Scholar
130a. Rodgers, A. W. Observatory, 79, 49, 1959.Google Scholar
131. Münch, G. Ap. J. 131, 250, 1960.Google Scholar
132. Minkowski, R. and Osterbrock, D. Ap. J. 129, 583, 1959.Google Scholar
133. Osterbrock, D. E. Ap. J. 132, 325, 1960.Google Scholar
134. Wentzel, D. G. and van Woerden, H. B.A.N. 14, 335, (no. 492), 1959.Google Scholar
135. Woltjer, L. Ap. J. 130, 38, 1959.Google Scholar
136. Vorontsov-Velyaminov, B. A. Astr. J. Moscow 35, 208, 1958.Google Scholar
137. Kron, G. E. P.A.S.P. 70, 561, 1958.Google Scholar
138. Lambrecht, H. and Schmidt, K. M. A.N. 284, 71, 1958.Google Scholar
139. Kron, G. E. and Svolopoulos, S. N. P.A.S.P. 71, 126, 1959.Google Scholar
140. Torondzhadze, A. F. and Khatissov, A. Sh. Bull. Abastumani Astrophys. Obs. 24, 97, 1959.Google Scholar
141. Alania, I. Ph. Bull. Abastumani Astrophys. Obs. 23, 3, 1958.Google Scholar
142. Divan, L. Ann. Ap. 24, 1961 (in press).Google Scholar
142a. Rodgers, A. W. M.N. 122, 413, 1961.Google Scholar
143. Schalén, C. Ark. Astr. 33, 359, 1959.Google Scholar
144. Alksnis, A. Bull. Acad. Sci. Latvian S.S.R. no. 9, 1958.Google Scholar
145. Ikhsanov, R. N. Publ. Crim. Aph. Obs. 21, 257, 1958.Google Scholar
146. Pronik, I. I. Publ. Crim. Aph. Obs. 21, 268, 1958.Google Scholar
147. Toronzhadze, A. F. Astr. J. Moscow 35, 71, 548 and 848, 1958.Google Scholar
148. Westerlund, B. Ap. J. Suppl. 4, 73, (no. 37), 1959.Google Scholar
149. Westerlund, B. Ark. Astr. 1961 (in press).Google Scholar
150. Khavtasi, J. Sh. Bull. Abastumani Astrophys. Obs. 23, 157, 1958.Google Scholar
151. Khavtasi, J. Sh. The Atlas of the Dark Nebulae, Tbilisi, 1960.Google Scholar
152. Kurochkin, N. E. Astr. J. Moscow 34, 31, 1957.Google Scholar
153. Schmidt, K. H. A.N. 284, 73, 1958.Google Scholar
154. Idlis, G. M. and Nikolsky, G. M. Astr. J. Moscow 36, 668, 1959.Google Scholar
155. Roberts, M. S. A. J. 65, 457, 1960.Google Scholar
156. Hall, S. (Ed.) Bull. Lowell Obs. 4, (no. 105), 1960.Google Scholar
157. Serkowski, K. Stars and Stellar Systems (ed. Kuiper, G. P.), Vol 3 (in press).Google Scholar
158. Serkowski, K. Advances in Astronomy and Astrophysics (ed. Kopal, Z.) (in press).Google Scholar
159. Bartl, E. Wiss Z. Fr.-Schiller Univ. Jena, Math.-Nat. Reihe, 8, 5, 1958.Google Scholar
160. Serkowski, K. Acta astr. Cracoviae 10, 1960 (in press).Google Scholar
161. Behr, A. Veröff. Univ. Stern. Göttingen, no. 126, 1959.Google Scholar
162. Hall, J. S. Pub. U.S. nav. Obs. 17, 275, 1958.Google Scholar
163. Krzeminski, W. Acta astr., Cracoviae 9, 231, 1959.Google Scholar
164. Krzeminski, W. Acta astr., Cracoviae 11, 7, 1961.Google Scholar
165. Krzeminski, W. and Oskanjan, V. Acta astr. Cracoviae 11, 1, 1961.Google Scholar
166. Serkowski, K. Acta astr., Cracoviae 8, 135, 1958.Google Scholar
167. Schmidt, Th. Z. Ap. 45, 214, 1958.Google Scholar
168. Hoag, A. A. and Smith, E. v. P. P.A.S.P. 71, 32, 1959.Google Scholar
169. Larsson-Leander, G. and Serkowski, K. Ark. Astr. 2, 295, 1959.Google Scholar
169a. Elvius, A. Ark. Astr. 28, 309, 1959 (Uppsala Medd. 121).Google Scholar
170. Behr, A. Z. Ap. 47, 54, 1959.Google Scholar
171. Gehrels, T. A.J. 65, 470, 1960.Google Scholar
172. Bielicka, K. and Serkowski, K. Buli. Acad. Polon Sci. III, 5, 113, 1957.Google Scholar
173. Dombrovsky, V. A. Leningrad Univ. Vestnik, no. 19, 1959.Google Scholar
174. Grzedzielski, S. Acta astr., Cracoviae 9, 25, 1959.Google Scholar
175. Kaplan, S. A. and Klimishin, I. A. Astr. J. Moscow 36, 370, 1960.Google Scholar
176. Pacholczyk, A. G. Acta astr., Cracoviae 9, 17, 1959.Google Scholar
177. Schmidt, Th. Z. Ap. 46, 145, 1958.Google Scholar
178. Lodén, L. O. Ark. Astr. 37, 407, 1960.Google Scholar
179. Pacholczyk, A. G. Acta astr., Cracoviae 9, 90, 1959.Google Scholar
180. Kaplan, S. A. and Kliminshin, I. A. Astr. J. Moscow 36, 370, 1959.Google Scholar
180a. Wilson, R. M.N. 120, 51, 1961.Google Scholar
180b. Greenberg, J. M. J. Appl. Phys. 31, 82, 1960.Google Scholar
180c. Greenberg, J. M. Pedersen, N. E., and Pedersen, J. C. J. Appl. Phys. 32, 233, 1961.Google Scholar
180d. Greenberg, J. M. and Meltzer, A. S. Ap. J. 132, 667, 1960.Google Scholar
180e. Greenberg, J. M. Ap. J. 132, 672, 1960.Google Scholar
181. Davies, R. D., Slater, C. H., Shuter, W. L. H. and Wild, P. A. T. Nature, Lond. 187, 1088, 1960.Google Scholar
182. Henry, J. Ap. J. 128, 497, 1958.Google Scholar
183. Spitzer, L. Stars and Stellar Systems (ed. Kuiper, G. P.) Vol. 7 (in press).Google Scholar
184. Burbidge, G. R. Ap. J. 127, 48, 1958.Google Scholar
185. Burbidge, G. R. Ap. J. 129, 849, 1959.Google Scholar
186. Grzedzielski, S. C.R. 246, 890, 1958.Google Scholar
186a. Biermann, L. and Davis, L. Z. Ap. 51, 19, 1960.Google Scholar
187. Kaplan, S. A. Astr. J. Moscow 36, 800, 1959.Google Scholar
188. Rozis-Saulgeot, A. M. C.R. 18, 2555, 1959.Google Scholar
189. Mestel, L. M.N. 119, 223, 1959.Google Scholar
190. Razin, V. A. Astr.J. Moscow 35, 241, 1958.Google Scholar
191. Thomson, J. M. Nature, Lond. 180, 495, 1957.Google Scholar
192. Pawsey, J. L. and Hartig, E. Aust. J. Phys. 1961 (in press).Google Scholar
193. Burbidge, G. R. Ap. J. 128, 1, 1958.Google Scholar
194. Burbidge, G. R. Die Entstehung von Sternen durch Kondensation diffuser Materie, (Springer, Heidelberg), 1960.Google Scholar
195. Ebert, R., v. Hörner, S. and Temesváry, S. Die Entstehung von Sternen durch Kondensation diffuser Materie, (Springer, Heidelberg), 1960.Google Scholar
196. Kahn, F. D. Die Entstehung von Sternen durch Kondensation diffuser Materie, (Springer, Heidelberg), 1960.Google Scholar
197. Kaplan, S. A. Interstellar Gas Dynamics, English edition by Pergamon Press, 1960 (in press).Google Scholar
198. Courtès, G. and Cruvellier, P. Ann. Ap. 23, 416 and 419, 1960.Google Scholar
199. Pottasch, S. and Courtès, G. Ann. Ap. 1961 (in press).Google Scholar
199a. Helfer, H. L. A.J. 66, 160, 1961.Google Scholar
200. Hruška, A. Bull. astr. Insts. Csl. 10, 27 and 69, 1959.Google Scholar
201. Hruška, A. Bull. astr. Insts. Csl. 10, 25, 1959.Google Scholar
202. Rozhkovski, D. A. Izv. Ap. Inst. Acad. Sci. Kazakh. S.S.R. 9, 56, 1959.Google Scholar
203. Lambrecht, H. Mém. Soc. Sci. Liège, 5th Series, 3, 318, 1959.Google Scholar
204. Lambrecht, H., Schmidt, K. H. and Wiegert, A. Wiss. Z. Fr.-Schiller Umv. Jena, Math.-Nat. Reihe, 9, 45, 1960.Google Scholar
205. Shimuzi, T. Publ. astr. Soc. Japan, 1961 (in press).Google Scholar
206. Gershberg, R. F. Publ. Crim. Aph. Obs. 25, 1961 (in press).Google Scholar
207. Goldsworthy, F. A. Phil. Trans. A. (in press).Google Scholar
208. Chvojková, E. Bull. astr. Insts. Csl. 11, 23, 1960.Google Scholar
209. Axford, I. M. Phil. Trans. A (in press).Google Scholar
210. Kaplan, S. A. and Klimishin, I. A. Astr. J. Moscow 37, 281, 1960.Google Scholar
211. Zimmerman, H. A.N. 285, 129, 1959.Google Scholar
212. Pacholczyk, A. G. Atti. Accad. Torino, 94, 1960.Google Scholar
213. Pacholczyk, A. G. and Stodólkiewicz, J. S. Bull. Acad. Polon. Sci. 7, 429, 503, and 681, 1959.Google Scholar
214. Safronov, V. S. C.R. Acad. Sci. U.R.S.S. 130, 53, 1960.Google Scholar
215. Safronov, V. S. Ann. Ap. 23, 1960 (in press).Google Scholar
216. Bonnor, W.B. M.N. 118, 523, 1958.Google Scholar
217. Debye, E. A. Astr. J. Moscow 35, 469, 1958.Google Scholar
218. Hatanaka, T., Unno, W. and Takabe, H. Publ. astr. Soc. Japan, 1961 (in press).Google Scholar
219. McCrea, W. H. Mém. Soc. Sci. Liège, Fifth Series, 3, 332, 1959.Google Scholar
220. McCrea, W. H. Proc. roy. Soc. A, 256, 245, 1960.Google Scholar
221. Pacholczyk, A. G. and Stodólkiewicz, J. S. Acta astr., Cracoviae 10, 1, 1960.Google Scholar
222. Spitzer, L. Ric. astr. 5, 445; Pontif. Acad. Sci. Scripta Varia, 16, 445, (1958).Google Scholar
223. Debye, E. A. Astr. J. Moscow 37, 16, 1960.Google Scholar
224. Pikelner, S. B. and Gershberg, R. E. Astr. J. Moscow 36, 785, 1959.Google Scholar
225. Wentzel, D. G. B.A.N. 15, 103 (no. 498), 1960.Google Scholar
226. Hoyle, F. and Ireland, J. G. M.N. 121, 253, 1960.Google Scholar
227. Grzedzielski, S. Bull. Acad. Polon. Sci. 7, 627, 1959.Google Scholar
228. Pikelner, S. B. Astr. J. Moscow, 1961 (in press).Google Scholar
229. Wentzel, D. G. Nature, 189, 907, 1961.Google Scholar
230. Elvius, A. and Lindblad, P. O. Ark. Astr. 2, 393, 1959.Google Scholar
231. Elvius, A. and Herlofson, N. Ap.J. 131, 304, 1960.Google Scholar