@article {pdf,
	title = {A monograph of the genus Macrostomum O. Schmidt 1848. Part I.},
	journal = {Zoologischer Anzeiger},
	volume = {126},
	year = {1939},
	note = {2109},
	pages = {7-20},
	type = {article},
	abstract = {Introduction, Systematics, Ecology, Distribution},
	keywords = {Macrostomum},
	author = {Ferguson, Frederick F}
}
