000 00236nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aKAHATE- ATUL
245 0 _aCRYPTOGRAPHY & NETWORK SECURITY
260 _bPEARSON EDU. DELHI
260 _c2003
546 _aENGLISH
999 _c22980
_d22980