| 000 | 00397nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 211228s9999 xx 000 0 und d | ||
| 040 | _cJayakar Knowledge Resource Centre | ||
| 100 | _aOpen University | ||
| 245 | 0 | _aOpen university: science foundation course - unit 8 :energy | |
| 260 |
_bOpen University Press _aMilton Keynes _c1979 |
||
| 300 | _a49p. p. | ||
| 653 | _aWaves-light | ||
| 942 | _c1 | ||
| 999 |
_c200534 _d200534 |
||