@book{17300,
	author = {NAWROCKI, Stanisław},
	title = {Urządzenia sterowane ruchem kolejowym /},
	year = {1977.},
	address = {Kraków,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=17300}
}