1. Anon. 1971 Methods for chemical analysis of water and wastes Environmental Protection Agency Water Quality Office Cincinnati, Ohio
2. The research frontier. Where is science taking us?;Belser;Saturday Rev.,1959
3. Concepts and outlook in testing the toxicity of substances to fish;Brown,1973
4. Egg production in Tigriopus brevicornis.;Comita,1966
5. Critical review of literature on the toxicity of industrial wastes and their components to fish. II. The metals as salts;Doudoroff;Sewage Indust. Wastes,1953