000 | 00543nam a2200169 4500 | ||
---|---|---|---|
003 | OSt | ||
005 | 20210323101856.0 | ||
008 | 210323b xxu||||| |||| 00| 0 eng d | ||
040 | _cIIT Kanpur | ||
041 | _aeng | ||
110 | _aWashington. National Technical Information Service | ||
245 |
_aThe contribution of telecommunications to the conservation of energy resources _cNational Technical Information Service |
||
260 |
_aWashington _bNational Technical Information Service _c1977 |
||
300 | _a76p | ||
500 | _aPB-270 977 | ||
942 | _cTR | ||
999 |
_c564394 _d564394 |