000 00403nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a139464
082 _a535
_bOPE
100 _aOPEN University of Sri Lanka
245 _aFoundation science leading to bachelor of science degree programme: Physics PSF
260 _aNugegoda
_bThe Open University of Sri Lanka
_c1986
300 _a117 p.
942 _cR
999 _c64220
_d64220