@book{4042,
	author = {LIPIŃSKI, W.},
	title = {Wybrane zagadnienia z teorii filtrów elektrycznych /},
	year = {1989.},
	address = {Szczecin,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=4042}
}