Ramalho, Mauro, Maise Silva, and Gilson Carvalho. “Pollinator Sharing in Specialized Bee Pollination Systems: A Test With the Synchronopatric Lip Flowers of Centrosema Benth (Fabaceae)”. Sociobiology 61, no. 2 (July 13, 2014): 189–197. Accessed March 26, 2023. http://periodicos.uefs.br/index.php/sociobiology/article/view/321.