@book{30397,
	author = {LEWOC, Leszek.},
	title = {Informatyka w szkole :},
	publisher = {"Vulcan",},
	year = {cop. 1993.},
	address = {Wrocław :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30397}
}