@article {5204,
	title = {Studies on the tribe Saccopetaleae (Annonaceae): 1. Revision of the genus Platymitra Boerlage},
	journal = {BlumeaBlumea},
	volume = {33},
	number = {2},
	year = {1988},
	pages = {471-476},
	author = {Ke{\ss}ler, PJA}
}
@article {5158,
	title = {Studies on the tribe Saccopetaleae (Annonaceae)-III. Revision of the genus <i>Mezzettia </i>Beccari},
	journal = {BlumeaBlumea},
	volume = {35},
	number = {1},
	year = {1990},
	pages = {217-228},
	isbn = {0006-5196},
	author = {Heijden, E. and Ke{\ss}ler, PJA}
}
