@book{29738,
	author = {NAYLOR, Chris},
	title = {Build your own expert system /},
	publisher = {SIGMA Press,},
	year = {1987.},
	address = {Wilmslow :},
	edition = {2nd ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29738}
}