TY  - GEN
AU  - Gunasinghe , R.M.
AU  - Dias , A.G.N.P.
AU  - Liyanage , L.S.G. 
AU  - Vithanage , J.D
ED  - Randeny , D.M.
ED  - Perera , L.M.
TI  - Foundation science physics mechanics
SN  - 9555580677
U1  - 530 
PY  - 1986///
CY  - Nugegoda
PB  - Open University
KW  - Physics
ER  -