| 000 | 00495nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a621.4 _bOp61 |
||
| 110 | _aOpen University | ||
| 245 |
_aEnergy conservation _bpower and society |
||
| 260 |
_aWalton Hall _bOpen University Press _c1972 |
||
| 300 | _a112p. | ||
| 440 | _aTechnology Foundation Course; units 20-21 | ||
| 650 | _aEnergy conservation | ||
| 650 | _aHeat Engine | ||
| 942 | _cBK | ||
| 999 |
_c74737 _d74737 |
||