Notes on animal parasites and parasitism. Lecture outlines of a course in parasitology with special reference to forms of economic importance Riley, William A. (William Albert), 1876-1963 creator text book [n.p.] 1912 1912
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ENG Parasites https://www.biodiversitylibrary.org/bibliography/57131 63326085 agr16000551 10.5962/bhl.title.57131 Library, U. S. Dept. of Agriculture