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61.17 The diurnal solar energy falling on the earth’s surface
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- Journal:
- The Mathematical Gazette / Volume 61 / Issue 417 / October 1977
- Published online by Cambridge University Press:
- 22 September 2016, pp. 218-220
- Print publication:
- October 1977
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Navigation and Astronomy for Students. I. E. Allison; George G. Harrap, July 1948; 439 pages; three loose charts; cloth, 8·5 × 5·3 inches; 25s.
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- Journal:
- The Journal of Navigation / Volume 1 / Issue 4 / October 1948
- Published online by Cambridge University Press:
- 18 January 2010, pp. 368-369
- Print publication:
- October 1948
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- Article
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