000 00499nam a2200217Ia 4500
008 210529s9999||||xx |||||||||||||| ||und||
040 _aSOETPKD
041 _aEnglish
082 _a621
100 _aSINGH, L. P.
245 _aDIGITAL PROTECTION
250 _a2ND
260 _bNEW AGE INTERNATIONAL (P) LIMITED
_aNEW DELHI
_c1997
300 _aNA
_bNA
500 _a2303-2304
650 _aNA
650 _aNA
700 _aNA
_42nd Auth
942 _cBK
999 _c24456
_d24456