TY  - BOOK
TI  - Natural resources of Sri Lanka : conditions and trends 
U1  - 333.7095493 
PY  - 1991///
CY  - [Colombo, Sri Lanka]
PB  - Keells Business Systems Ltd., Education Center
KW  - Natural resources
N1  - a report / prepared for the Natural Resources, Energy and Science Authority of Sri Lanka ; sponsored by the United States Agency for International Development
ER  -