TY  - GEN
AU  - Gunasinghe , R.M.
AU  - Vithanage . J.D.
AU  - Abeydheera , D.R. 
AU  - Hettiarachchi , R.D.
TI  - Physics: electricity
U1  - 537 
PY  - 1989///
CY  - Nugegoda
PB  - Open University
KW  - Electricity
KW  - Physics
ER  -