TY  - GEN
AU  - Gunasinghe ,   R.M.
AU  - Abeydeera , D.R.
AU  - Jayasinghe Arachchi , D.A. 
AU  - Liyanage  , L.S.G.
AU  - Thilakarathna , K.N.D
TI  - Physics: Fields
U1  - 530 
PY  - 1986///
CY  - Nugegoda
PB  - Open University
KW  - Physic
ER  -