@article {607,
	title = {Eenige opmerkingen betreffende de Palaeozoische flora van Djambi, Sumatra},
	journal = {Verslag gewone vergadering Afdeling Natuurkunde KNAW },
	volume = {36},
	year = {1927},
	pages = {1-7},
	chapter = {1},
	author = {Posthumus, O.}
}
