@book {1940,
	title = {The genus Corybas (Orchidaceae) in its eastern areas},
	series = {Phanerogamarum Monographiae},
	year = {1983},
	month = {1983/11//},
	publisher = {J. Cramer},
	organization = {J. Cramer},
	address = {Vaduz},
	keywords = {Corybas},
	author = {van Royen, P}
}
