Pollination efficiency of native and invading Africanized bees in the tropical dry forest annual plant, Kallstroemia grandiflora Torr ex Gray M. Osorio-Beristain, C. A. Domínguez, L. E. Eguiarte and B. BenreyApidologie, 28 1 (1997) 11-16DOI: https://doi.org/10.1051/apido:19970102
