http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Helminthiasis in Clarias macrocephalus Gunther, 1864, with histological and histochemical observations of Orientocreadium batrachoides Tubangui, 1931
Dissertation (M.Sc.) -- University of the Philippines, 1931.