TY  - GEN
AU  - Ratnapala, U.
AU  - Mangalika, S.
AU  - Samarasinghe, Y.A.K.
TI  - A Hydrological study of hard rock aquifers in the Hulanda Oya basin
KW  - 627.1(548.7)
KW  - HYDROLOGY
KW  - WATER RESOURCES
ER  -