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MARTIN LANGER, 2919-E N. Military Trail, West Palm Beach, FL 33409. Scholarly books - first editions - gay and lesbian literature. Write: martin at InvisibleCities dot com, or call him at: (561) 346-2002. 

House, William C. DECISION SUPPORT SYSTEMS: A Data-Based, Model-Oriented, User-Developed Discipline. NY: Petrocelli, 1983. ~ 468 pages. Hardcover (ISBN 0-89433-225-2). Near fine; in very good dust jacket (vertical fold to back flap).
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