Index-catalogue of medical and veterinary zoology. Supplement 18, part 6, Parasite-subject catalogue: Subject Headings and Treatment /
Walker, Martha L.
Index-catalogue of medical and veterinary zoology. Supplement 18, part 6, Parasite-subject catalogue: Subject Headings and Treatment / Martha L. Walker etc.; United States Department of Agriculture; Animal Parasitology Institute; Agriculture Resaearch Service. - Supplement 18, part 6, Parasite-subject catalogue: Subject Headings and Treatment - Washington : U.S. Government printing Office, 1973.
Index-catalogue of medical and veterinary zoology. Supplement 18, part 6, Parasite-subject catalogue: Subject Headings and Treatment / Martha L. Walker etc.; United States Department of Agriculture; Animal Parasitology Institute; Agriculture Resaearch Service. - Supplement 18, part 6, Parasite-subject catalogue: Subject Headings and Treatment - Washington : U.S. Government printing Office, 1973.