@book{4340,
	author = {Bołtryk, Michał. and G~7usev, Boris V.},
	title = {Technologia formowania prefabrykatów betonowych /},
	year = {1990.},
	address = {Białystok,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=4340}
}