@book{29602,
	author = {KERAWNOU, E. T. and JOHNSON, L.},
	title = {Competent expert system /},
	year = {1986.},
	address = {New York,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29602}
}