Warwick, K. creator Warwick, K. text S.l.] Institution Of Engineering And Technology 1991 monographic 252 p. ; Artificial intelligence 0863412459 (hardcover) 9780863412455 (hardcover) http://www.amazon.com/exec/obidos/ASIN/0863412459/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/0863412459/chopaconline-20