@book{16603,
	author = {KRASZEWSKI, Zdzisław},
	title = {Logika-nauka rozumowania /},
	year = {1975.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=16603}
}