00351nam a2200133Ia 4500008004100000041000800041084001100049100002500060245004900085260003800134546001700172653001600189653001200205160807s1990    xx            000 0 mal d  amal  aC62CC  aDhurendra Kumar Gurg  aNhananu vaidyuthi /cby Dhurendra Kumar Gurg  aDelhi :bPrabhat Prakshan,c1990.  aIn Malayalam  aElectricity  aPhysics