@book{34021,
	author = {GRONOWSKI, Stanisław},
	title = {Prawo energetyczne :},
	publisher = {"ABC",},
	year = {cop. 1999.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=34021}
}