Author

Harold E. Welch

1 book found

Placeholder cover for Factors affecting the infection of the whitefish, Coregonus clupeaformis (Mitchill), by the tapeworn, Triaenophorus crassus Forel, in the Thunder Bay district of Ontario

Factors affecting the infection of the whitefish, Coregonus clupeaformis (Mitchill), by the tapeworn, Triaenophorus crassus Forel, in the Thunder Bay district of Ontario

Harold E. Welch · First published 1952