@book{19312,
	author = {RADECKI, Tadeusz},
	title = {Retrieval system models of documents indexed by weighted descriptions /},
	year = {1980.},
	address = {Wrocław,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19312}
}