Mensching, James R. creator text USA Harper Collins Publishers 1988 monographic 368 p. COBOL (Computer program language) Data structures (Computer science) File organization (Computer science) 005.22MEN 0673186083 (hardcover) 9780673186089 (hardcover) http://www.amazon.com/exec/obidos/ASIN/0673186083/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/0673186083/chopaconline-20