@book{23797,
	author = {SEYER, Martin D.},
	title = {RS-232 made easy :},
	publisher = {Prentice-Hall,},
	year = {1984.},
	address = {Englewood Cliffs :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23797}
}