Winston, Patrick Henry. Artificial intelligence / Patrick Henry Winston. - Reading, Mass. : Addison-Wesley Pub. Co., c1977. - xvi, 444 p. : ill. ; 25 cm. ISBN: 0201084546 LCCN: 76055648 LC Class. No.: Q335 .W56 1979 / .W56 Dewey Class. No.: 001.53/5