000 00384nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a8122410537
082 _a621
082 _b38415
100 _a"Singh, L.P."
245 0 _aDigital Protection Prote
250 _aSecond
260 _aNew Delhi
260 _bNew Age International
260 _c1997
300 _a"xiii, 272"
999 _c37414
_d37414