@book{29436,
	author = {Kruif, A. P. M.},
	title = {A revision of Holarrhena R. Br. (Apocynaceae)},
	publisher = {Veennan & Zonen,},
	year = {1981},
	series = {Mededelingen Lanbouwhogeschool},
	address = {Wageningen :}
}