@book{23886,
	author = {Brownstone, Lee},
	title = {Programming expert systems in OPS5 :},
	publisher = {Addison-Wesley,},
	year = {1985.},
	series = {Addison-Wesley Series in Artificial Intelligence},
	address = {Reading :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23886}
}