Introduction of Foreign Pollinators, Prospects and Problems
Proceedings of the 1st International Symposium of Pollination
Pollination and foraging
Bohart, George E. 1962. Introduction of Foreign Pollinators, Prospects and Problems. Proc. 1st Internatl. Symp. Pollination, August 1960, Copenhagen. Publ. Comm. No. 7 Swedish Seed Assoc. pp. 181-188.
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