TY - GEN AU - Weeramantry, C.G. TI - Environmental aspects of Sri Lanka's ancient irrigation system SN - 9555992223 PY - 2000/// CY - Ratmalana PB - Vishva Lekha KW - Irrigation KW - Environmental impacts KW - Sri Lanka N1 - Case concerning the Gabcikovo-Nagymaros project ER -