@book{26608,
	author = {KIEFFER, R. and BRAUN, Ch.},
	title = {Vanadij, niobij, tantal :},
	year = {1968.},
	address = {Moskva,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=26608}
}