@book{2540,
	author = {SIKORA, Ryszard},
	title = {Teoria pola elektromagnetycznego /},
	year = {1985.},
	address = {Warszawa,},
	edition = {Wyd.2 uzup.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=2540}
}