000 00299nam a2200109Ia 4500
999 _c4781
_d4781
008 190326s9999 xx 000 0 und d
082 _a378.242 B115D
100 _aBabu,P. Sreedhar
_9891
245 0 _aDigital Signatures Using Public Key Cryptography
260 _aSurathkal
_bK.R.E.C
_c2000
942 _cTH