00511nam a2200229Ia 4500003000400000005001700004008004100021040000600062041001200068082001100080082001100091100001500102245003000117245001500147260001400162260002300176260000900199300001000208300001000218365002500228501002800253OSt20250802122317.0141004s9999    xx            000 0 und d  ca  aEnglish  a662.88  bTYA/FU  aPD   Tyagi  aFuel from waste and weeds  cPD   Tyagi  aNew Delhi  bBatra book service  c1989  a211p.  b21 cm  aRs.175                aKAUCOF