Recruitment behavior in stingless bees, Melipona scutellaris and M. quadrifasciata. I. Foraging at food sources differing in direction and distance Stefan Jarau, Michael Hrncir, Ronaldo Zucchi and Friedrich G. BarthApidologie, 31 1 (2000) 81-91DOI: https://doi.org/10.1051/apido:2000108
