000			00322 a2200133 4500
041			_aEn
082			_a530 _bPHY
100			_aDhanayaka , C. ;ed.
245			_aPhysics _bphysics in technology
260			_c1988 _aNugegoda _bOpen University _g1988
300			_bill. _c29 cm. _avi , 211 p.
650			_aPHYSICS
942			_cLN
999			_c38583 _d40130