@article {1739,
	title = {Bestimmungsschluessel f{\"u}r die Indo-Malayischen Landplanarien},
	journal = {Annales du Jardin botanique de Buitenzorg, Suppl{\'e}ment II},
	year = {1898},
	pages = {113-127},
	url = {https://books.google.com/books/reader?id=WpUsAAAAYAAJ\&hl=es\&printsec=frontcover\&output=reader\&pg=GBS.PA109},
	author = {Ludwig von Graff}
}
