000 00451nam a22001457a 4500
008 230531b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aI 620.9
_bM6
245 _aEnergy conservation:
_bChallenges & opportunities
_c/ Advisory Board on Energy
260 _aIndia:
_bAdvisory Board on energy
_c1986
300 _a117p.
650 _aScience
653 _aenergy
942 _2udc
_cBK
999 _c37293
_d37293