@book{38981,
	author = {JAKUBOWSKI, Krzysztof},
	title = {Mathcad 2000 Professional /},
	publisher = {"Exit",},
	year = {cop. 2000.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=38981}
}