TY  - BOOK
AU  - Lewis, Harry R.
AU  - Harry R. Lewis
TI  - Elements of the theory of computing
SN  - 0-13-262478-8
U1  -  005.131 
PY  - 1998///
CY  - Upper Saddle River,USA
PB  - Prentice Hall
KW  - Computational complexity
ER  -