@book{18294,
	author = {HORNBOSTEL, Caleb},
	title = {Construction materials :},
	publisher = {John Wiley & Sons,},
	year = {1978.},
	address = {New York :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18294}
}