@book{18728,
	author = {BRAY, K. H. M. and CROXTON, P. C. L.},
	title = {Matrix analysis of structures /},
	year = {1976.},
	address = {London,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18728}
}