@book{20502,
	author = {GRUDZIŃSKI, Feliks and MAMAJ, Jan},
	title = {Popiołobetonowe elementy budowlane /},
	publisher = {Centr. Ośr. Inf. Bud.,},
	year = {1982.},
	series = {Problematyka Budownictwa ;},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=20502}
}