@book{12052,
	author = {GENAL, Fritz},
	title = {Betrieb, Instandhaltung und Reinigung von Kanalisationsanlagen /},
	publisher = {Bauverlag GMBH,},
	year = {1968.},
	address = {Wiesbaden :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=12052}
}