@book{23888,
	author = {HAYES-ROTH, Frederick and WATERMAN, Donald A.},
	title = {Building expert systems /},
	year = {1983.},
	series = {Teknowledge Series in Knowledge Engineering},
	address = {London,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=23888}
}