@book{40212,
	author = {Daniluk, Andrzej},
	title = {RS 232C praktyczne programowanie :},
	publisher = {"Helion",},
	year = {cop. 2001.},
	address = {Gliwice :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=40212}
}