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Powdery scab (Spongospora subterranea) of potatoes /
by I.E. Melhus.

APA Citation

Melhus, I. E. (Irving E.). (1914). Powdery scab (Spongospora subterranea) of potatoes. Washington, D.C.: U.S. Dept. of Agriculture.

MLA Citation

Melhus, I. E. (Irving E.), 1880-. Powdery Scab (Spongospora Subterranea) of Potatoes. Washington, D.C.: U.S. Dept. of Agriculture, 1914.

Warning: These citations may not always be complete (especially for serials).