@article {6532,
	title = {On a collection of Pteridophyta from Celebes leg. Dr. W. Kaudern},
	journal = {Sv.Bot.Tids.},
	volume = {16},
	year = {1922},
	note = {IN FILE},
	pages = {88-102},
	keywords = {Celebes},
	author = {Christensen, C.}
}
@article {6534,
	title = {Pteridophyta von Celebes gesammelt von G. Kjellberg 1929},
	journal = {Botanische Jahrb{\"u}cher f{\"u}r Systematik, Pflanzengeschichte und Pflanzengeographie. LeipzigBotanische Jahrb{\"u}cher f{\"u}r Systematik, Pflanzengeschichte und Pflanzengeographie. Leipzig},
	volume = {66},
	number = {1},
	year = {1934},
	note = {IN FILE},
	pages = {39-70},
	keywords = {Celebes},
	author = {Kjellberg, G. and Christensen, C.}
}
