@book{6850,
	author = {Magnusson, David and Szafraniec, Herbert},
	title = {Wprowadzenie do teorii testów /},
	publisher = {Państ. Wydaw. Naukowe,},
	year = {1981.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=6850}
}