@article {pdf,
	title = {Zur Systematik, {\"O}kologie und Tiergeographie der Turbellarienfauna in den ponto-kaspischen Brackwassermeeren},
	journal = {Zoologische Jahrb{\"u}cher: Abteilung f{\"u}r Systematik, {\"O}kologie und Geographie der Tiere~},
	volume = {87},
	year = {1959},
	note = {2847},
	pages = {43-187},
	type = {article},
	abstract = {Describes:
Macrostomum ermini n. sp.
Mentions:
Macrostomum hystricinum
Macrostomum pusillum
Macrostomum mediterraneum},
	keywords = {Macrostomum},
	author = {Ax, Peter}
}
