000 00413 a2200145 4500
080 _a620.9
_bI 39 E
245 1 _aEnergy conservation
_bchallenge and opportunities
260 _aNew Delhi
_bAdvisory Board of Energy
_c1986
650 _aEnergy Conservation
700 _aIndia, Advisory Board of Energy
100 _a
_d
300 _a117 p.
040 _aIARI, New Delhi
901 _a179602
999 _c76936
_d76936