1. Abelhas e plantas melíferas da mata atlântica, restinga e dunas do litoral norte do estado do Rio Grande do Sul;Alves-dos-Santos;Rev. Bras. Entomol.,1999
2. Headspace analysis of volatile flower scent constituents of bat-pollinated plants;Bestmann;Phytochemistry,1997
3. Buzz pollination in angiosperms;Buchmann,1983
4. Practical Pollination Biology;Dafni,2005
5. Diversity and Evolutionary Biology of Tropical Flowers;Endress,1994