000 00329nam a2200133Ia 4500
008 230919s9999 xx 000 0 und d
082 _a621.3 GUP
100 _aGupta, Navneet
245 0 _aElectrical And Electronics Engineering Materials
250 _aIVth
260 _aNEW DELHI
260 _bDHANPAT RAI
260 _c2010
999 _c175602
_d175602