@article {17465,
	title = {{\"U}ber die makedonischen Gyralina-Arten (Gastropoda, Zonitidae)},
	journal = {Fragmenta Balcanica},
	volume = {12},
	year = {1984},
	pages = {31-43},
	chapter = {31},
	issn = {0015-9298},
	author = {Riedel, A.}
}
