00311nam a2200121Ia 4500008004100000041000800041082001400049100001200063245003600075250001200111260003900123650002700162230711s9999||||xx |||||||||||||| ||und||  aENG  a621bRA-N  aRai,G.D 0aNon-conventional energy sources  a4th Ed.  c2001aNew DelhibKhanna Publishers  aMechanical Engineering