Ramalho, M., Silva, M. and Carvalho, G. (2014) “Pollinator Sharing in Specialized Bee Pollination Systems: a Test with the Synchronopatric Lip Flowers of Centrosema Benth (Fabaceae)”, Sociobiology. Feira de Santana, Brazil, 61(2), pp. 189–197. doi: 10.13102/sociobiology.v61i2.189-197.