@book{4171,
	author = {PIETRASZEK, P. and PODEDWORNA, J.},
	title = {Ćwiczenia laboratoryjne z technologii osadów ściekowych /},
	year = {1990.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=4171}
}