@book{239687,
	author = {Goyder, David J. and Pereira, Jorge Fontella},
	title = {Notes on Oxypetalum R. Br. (Apocynaceae, Asclepiadoideae) in Bolivia and Peru / D. J. Goyder & J. F. Pereira},
	year = {2007},
	note = {il. byn}
}