000 00335 a2200121 4500
082 _a621.351
_bOPE
090 _c18266
_d28336
245 _aPhysics electronics
_bthe degree of bachelor of science level for
260 _aNugegoda
_bThe Open university
_c1986
_g1986
300 _a[iv],126p.
_c28cm
650 _aApplied physics
942 _cL
999 _c46140
_d46140