El parasitismo y los protozoos

by Olsen, Oliver Wilford n. 1901, Olsen, Oliver Wilford n. 1901

Platelmintos, acantocéfalos y nematelmintos

by Olsen, Oliver Wilford n. 1901, Olsen, Oliver Wilford n. 1901

Animal parasites : their life cycles and ecology /

by Olsen, Oliver Wilford n. 1901, Olsen, Oliver Wilford n. 1901
Published 1974

Parasitología animal /

by Olsen, Oliver Wilford n. 1901, Olsen, Oliver Wilford n. 1901
Published 1977

Essentials of parasitology /

by Meyer, Marvin Clinton 1907-, Meyer, Marvin Clinton 1907-, Olsen, Oliver Wilford n. 1901
Published 1972