@book{16483,
	title = {Rachunek prawdopodobieństwa w zadaniach i problemach /},
	publisher = {PWN,},
	year = {1975.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=16483}
}