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- [4] THE NUMBER OF GALAXIES PER UNIT VOLUMEMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1946, 106 (02) : 121 - 123FLETCHER, A
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- [9] THE NUMBER OF VEGETABLE SEEDS PER UNIT WEIGHTPROCEEDINGS OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE, 1946, 48 (DEC): : 391 - 397SEELYE, GD