TY  - BOOK
AU  - Hopcroft, John, E, Motwani, Rajeev, and Ullman, Jeffrey, D 
TI  - Introduction to automata theory, languages, and computation 
SN  - 81-317-2047-9 
U1  - 005.131 HOP  
PY  - 2008///
CY  - Pearson education 
PB  - Delhi 
KW  - PROGRAMMING LANGUAGE
ER  -