Guite, Lily Lianmuankim Studies on toxicity of copper and cadmium in the catfish, heteropneustes fossilis (Bloch) in relation to pH variation - Shillong Department of Zoology, NEHU 2015 - xi,245p.:ill.;table.;28cm. Abstract Subjects--Topical Terms: Hazardous substance-Catfishes-Research Dewey Class. No.: 571.9511749 / GUI