TY  - GEN
AU  - Perera , I.K.
AU  - Jayasinghe , E.M. 
AU  - Gunasinghe , R.M
AU  - Liyanage , L.S.G.
AU  - Abeyadeera , D.R.
TI  - Physics basic electromagnetism
U1  - 537 
PY  - 1985///
CY  - Nugegoda
PB  - Open University
KW  - Physics
ER  -