00274nam a2200109Ia 4500100001800000654001500018245004600033260005000079082001500129300000800144546001200152  aTheraja/B.L.   aelectrical  aFund. of electrical engg. and electronics  bNirja construction and devptaNew Delhic1984  a621.3bTHE  a752  aENGLISH