http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Memoir on Mosasaurus and the three allied new genera, Holcodus, Conosaurus, and Amphorosteus
Erdwiss. FB -- GIBBES, Robert W.: -- Memoir on Mosasaurus and the three allied new genera, Holcodus, Conosaurus, and Amphorosteus. - Washington/DC : Smithsonian Institution Pr.1949. -- 13 S.m.3 Taf. 4° -- Aus: Smithsonian Contributions to Knowledge. -- Vol.2, Art.5.