00454nam a22001457a 4500 0 0 0 0 PTR PTR 2025-11-18 Purchased: Golden Books 6505.68 0 005.52 LEV 109781 2025-11-18 00:00:00 1 1865 2025-11-18 BK 58946 58946 9780596155971 (pbk) 005.52 LEV Levine, John Flex & bison Beijing O'Relly Media, Inc. 2009 xv, 271 p. : ill. ; 24 cm. Includes glossary and index Computer programming Compilers Relational database Flex program Syntax trees Plain flex GGC FC BK