Protein trophallaxis and the regulation of pollen foraging by honey bees (Apis mellifera L.) Scott Camazine, Karl Crailsheim, Norbert Hrassnigg, Gene E. Robinson, Bernhard Leonhard and Helga KropiuniggApidologie, 29 1-2 (1998) 113-126DOI: https://doi.org/10.1051/apido:19980107