00643nam a2200181Ia 4500082002100000100011300021240004500134245005500179260005100234300001600285500000500301653000600306700000500312952010300317964001700420921000900437999001500446  a333.79bSe471.TE  aSeminar on total energy and energy substitution, National Productivity Council, New Delhi, March 28-30, 1973  aNational Productivity Council, New Delhi  aTotal energy and energy substitution proceedingsb  aNew DelhibNational Productivity Councilc1976  axxii, 282p.  a  a   a  00104070aISIbISId1998-08-26l0o333.79 Se471.TEpDP11501r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a6315  c6315d6315