Access methods, observations, pollination biology, bee foraging behavior, and bee community structure within a neotropical wet forest canopy - Perry, Donald R. (Ray).; Perry, Donald R. (Ann Arbor, Mich. : University Microfilms International, 1983)
Thesis (Ph. D.) - University of California, Los Angeles, 1983.
Keywords: Pollination by insects; Bees -- Behavior