Apple pollination studies in California Overholser, E. L. (Earle Long), 1888-1949 creator text book Berkeley, Cal Agricultural Experiment Station 1927 1927
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ENG Cover title. Apples California Reproduction Bulletin (California Agricultural Experiment Station), 426 https://www.biodiversitylibrary.org/bibliography/59436 10.5962/bhl.title.59436 RQF