Cooperating expert systems for automated monitoring and diagnostics: Human operators will be freer to perform nonrepetitive tasks (NTIS tech note): National Aeronautics and Space Administration, Washington, DC. Corp. Source Codes: 011249000 Feb 91 1p Languages: English Journal Announcement: GRAI9109 FOR ADDITIONAL INFORMATION: Contact: NASA Technology Transfer Div., PO Box 8757 BWI Airport, MD 21240; (301) 621-0100 ext 241. Refer to NPO-17804/TN. NTIS Prices: Not Available NTIS Country of Publication: United States