Ciliated protozoa an illustrated guide to the species used as biological indicators in freshwater biology
Bick, Hartmut
Ciliated protozoa an illustrated guide to the species used as biological indicators in freshwater biology - Geneva WHo 1972 - 198 p. Illustration
593.172 / B31
Ciliated protozoa an illustrated guide to the species used as biological indicators in freshwater biology - Geneva WHo 1972 - 198 p. Illustration
593.172 / B31