TY  - GEN
AU  - Mendis , B.R.R.N.
AU  - Careem , M.A. 
AU  - Seneviratne , S.D.S.
TI  - proceedings of the annual research sessions 1997: university of Peradeniya Sri Lanka 
SN  - 9555890153
U1  - 378.95493 
PY  - 1997///
CY  - Peradeniya
PB  - University of Peradeniya
KW  - UNIVERSITIES-SRI LANKA
ER  -