@book{12573,
	author = {HAAS, Aren Marten},
	title = {Entwurf und Konstruktion dünner Betonschalen /},
	publisher = {Werner Verl.,},
	year = {1969.},
	address = {Düsseldorf :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=12573}
}