@book{23433,
	author = {GRAHAM, Natasha and ROBERTS, Michael},
	title = {Microcomputer, hardware, projects :},
	publisher = {Sigma Technical Press,},
	year = {1983.},
	address = {Cheshire :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23433}
}