Tracy Allen

Floral preferences of bumblebees (Bombus edwardsii) in relation to intermittent versus continuous rewards

B. Heinrich, K. Waddington, Tracy Allen, 1981, Animal Behaviour.

Computer-Assisted Measurement and Identification of Honey Bees (Hymenoptera: Apidae)

Tracy Allen, K. Hoelmer, H. Daly, 1982 .