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A Portable Electric Sprayer for Small Plots
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- Journal:
- Weed Science / Volume 22 / Issue 6 / November 1974
- Published online by Cambridge University Press:
- 12 June 2017, pp. 568-570
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Astronomical Fixes Without an Assumed Position
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- Journal:
- The Journal of Navigation / Volume 43 / Issue 3 / September 1990
- Published online by Cambridge University Press:
- 21 October 2009, pp. 449-451
- Print publication:
- September 1990
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- Article
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