000 00339nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.38195 E373
100 _aELBIRT,A J
245 0 _aUNDERSTANDING AND APPLYING CRYPTOGRAPHY AND DATA SECURITY
260 _aBoca Raton
_bCRC
_c2009
300 _axxvii+635 p.,24X16Cm
942 _cBK
_2DDC
999 _c38280
_d38280