| 000 | 00398nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a139474 | ||
| 082 |
_a536 _bOPE |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aFoundation science, physics PSF 2602-fields, block | ||
| 260 |
_aNugegoda _bthe Open University of Sri Lanka _c1986 |
||
| 300 | _a123 p. | ||
| 650 | _aPhysics | ||
| 942 | _cR | ||
| 999 |
_c64224 _d64224 |
||