The life cycle of Echinostoma revolutum (Froelich) ...
Johnson, John Christopher.
creator
text
book
[1919]
1919
ENG
Published also as University of California publications in zoology. v. 19, no. 11.
Thesis (Ph. D.)--Univ. of California, Berkeley, Dec. 1919.
Echinostoma revolutum
https://www.biodiversitylibrary.org/bibliography/17842
18178820
10.5962/bhl.title.17842