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l n standifer
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Supplemental feeding of honey bee colonies
L. N. Standifer · Department of Agriculture, Science and Education Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Sayfa sayısı yok · 1978
Bees / Feeding and feeds
Chronobiologic appraisal of dietary quality for free-flying honey bee colonies
L. N. Standifer · Agricultural Research Service, U.S. Dept. of Agriculture
39 sayfa · 1983
Bees / Feeding and feeds / Research