00275nam a2200109Ia 4500082002600000100003000026245005700056260002700113300001500140500000500155700000500160  a338.47665538bN277.CP  aN. C. A. E. R., New Delhi  aConsumption pattern of selected patroleum productsb  aNew DelhibNCAERc1971  axiv, 154p.  a  a