@book{18913,
	author = {KRZYSZTOFIAK, Mirosław and URBANEK, Danuta},
	title = {Metody statystyczne /},
	year = {1979.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18913}
}