@book{28858,
	title = {Current issues in expert systems.},
	publisher = {Academic Press,},
	year = {1987.},
	series = {International Lecture Series in Computer Science},
	address = {London :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=28858}
}