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 |