TY  - BOOK
AU  - Lewis, Harry R  .
TI  - Elements of the theory of computation / 
SN  - 978-81-203-2233-2
U1  - BV 
PY  - 1998///
CY  - New Delhi : 
PB  - Prentice-Hall of India Private Limited , 
KW  - Computation
ER  -