TY  - GEN
AU  - Perera , B.M.A.O.
AU  - Ranawana , S.S.E.
TI  - à·à·âà¶»à· à¶½à¶à¶à·à·à· à¶¸à· à¶à·à¶ºà·
U1  - 636.2935493 
PY  - 1980///
CY  - Maitland
PB  - Natural Resources Energy and Authority
KW  - Buffalo - Serial Publications
ER  -