@book{31409,
	author = {Hartmann, Ludwig and Tabernacki, Jan and Instalator Polski},
	title = {Biologiczne oczyszczanie ścieków /},
	publisher = {"Instalator Polski",},
	year = {cop. 1996.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=31409}
}