00425nam a22001457a 4500008004100000020001800041040005500059080001500114100002100129245003500150260004400185300001000229650001500239653002500254230609b        |||||||| |||| 00| 0 eng d  a81-7041-628-0  aNational Science LibrarycNational Science Library  a620.98bN21 aSingh, Palwinder  aChanging pattern of energy use  aNew Delhi: bAnmol Publications, c1992  a343p.  aEnergy use  aMigration energy use