000			00353nam a2200145Ia 4500
008			160910s9999 xx 000 0 und d
040			_cSGVU Library
041			_cEnglish
100			_aSingh, L.P.
245			_aDigital Protection _cBy L.P. Singh
260			_bNew Age, New Delhi
520			_aEngineering
650			_aElectronics
942			_cBOOKS
999			_c11719 _d11719