@book{6644,
	author = {GREŃ, Jerzy},
	title = {Statystyka matematyczna. Modele i zadania /},
	year = {1975.},
	address = {Warszawa,},
	edition = {Wyd.4.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=6644}
}