effects of Kraft mill effluents on nymphs of Callibaetis sp. (Ephemeroptera) and Acroneuria pacifica
By: by John William DeWitt Jr.
Published: 1949
Language: eng
Number of pages: 64
Subjects: Stoneflies.; Mayflies.; Water -- Pollution.; Fishes -- Food.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1949.

Bibliography: leaves  62-64.