00402nam a2200109Ia 4500008004100000100001500041245008500056260009200141650002300233650002200256650001400278220216s9999    xx            000 0 und d  aYapa P A J 0aEffluent disposal and environmental pollution in rubber plantations in Sri Lanka  bProceedings of the International Rubber Conference, Colombo, 1984, V2. Part 2; p391-403  aEffluent treatment  aRubber plantation  aSri Lanka