000			00373 a2200145 4500
999			_c39728 _d41275
003			ISURa
008			141203b xxu||||| |||| 00| 0 eng d
041			_aEnglish
082			_a537.5 _bPHY
245			_aPhysics _belectronics block 2 B
260			_c1986 _aNugegoda _bOpen University _g1986
300			_bill. _c20cm. _axii,105 p.
650			_aPhysic _910179
942			_cSR _2ddc