000
00223nam a2200085Ia 4500
100
_a
Shyamala, C. K.; Harini, N. & Padmanabhan, T. R.
942
_c
AV
245
_a
Cryptography and security
260
_a
New Delhi
_b
Wiley
_c
2011
999
_c
125690
_d
125690