Competition for nectar between introduced honey bees and native North American bees and ants. Niklas, K.J. and S.L. Buchmann. Aerodynamics of wind pollination in Simmondsia chinensis. American Journal of Botany. Buchmann, S.L. 1985.
Bees use vibration to aid pollen collection from non-poricidal flowers.
Journal of the Kansas Entomological Society. Schmidt, J.O. and S.L. Buchmann. Comparative Biochemistry and Physiology. Buchmann, S.L. 1986. A look at pollen chemistry.