TY  - GEN
AU  - Kodagoda , N.
AU  - Senanayake , U.M. 
AU  - Mahindapala
AU  -  Waldyasekara , P.L.D. 
AU  - Rathnasoooriiya , W.D.
TI  - Vidurawa Vol;16
U1  - 505 
PY  - 1994///
CY  - Sri Lanka
PB  - Energy and Science authority
KW  - SCIENCE
ER  -