@book{652,
	author = {Grabiec, Kalikst},
	title = {Konstrukcje betonowe :},
	publisher = {Państ. Wydaw. Naukowe,},
	year = {1977.},
	address = {Warszawa ;},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=652}
}