TY  - BOOK
AU  - Levine, John R Mason Tony & Brown Doug 
TI  - Lex & Yacc 
SN  - 81-7366-062-X 
U1  - 005.43 LEW  
PY  - 2004///
CY  - SPD 
PB  - Bangalore 
KW  - Operating systems
ER  -