00423nam a2200157Ia 450000100060000000800410000602000240004704000130007108200200008410000180010424500530012225000080017526000640018330000110024754600070025860411141120s9999    xx            000 0 und d  a�9780070142763�  cPK-LaUMT  a 621.042bKHA-N  a"Khan, B. H."  aNon-conventional energy resourcesc"Khan, B. H."  a2nd  a"New Delhi,India:"b"McGraw Hiill Education (India),"c2009  a455 p.  aEN