| 000 | 00412nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a139460 | ||
| 082 |
_a547.346 _bOPE |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of scienc level 5 PSU 3124-phy | ||
| 260 |
_aNugegoda _bOpen University of Sri Lanka _c1988 |
||
| 300 | _axviii, 170 p. | ||
| 942 | _cPR | ||
| 999 |
_c60345 _d60345 |
||