TY  - BOOK
AU  - Martin John C. 
TI  - Introduction to languages and the theory of computation
SN  - 13:978-0-07-066048-9 
U1  - 005.13 
PY  - 2012///
CY  - New delhi
PB  -  Tata Mcgraw Hill 
KW  - Engineering
ER  -