http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Francis de Castelnau's Essai sur le systeme silurien de l'Amerique septentrionale and the status of his Spirifer huroniensis
EHLERS, George M. -- Francis de Castelnau's Essai sur le systeme -- silurien de l'Amerique septentrionale and -- the status of his Spirifer huroniensis.By -- George M.Ehlers and Jean D.Wright. 1957. -- (Contributions from the Museum of Pale -- ontology.Univ.of Michigan.13,7.) -- 1962 ! -- KB/Ho.
Contributions from the Museum of Paleontology. Univ. of Michigan 13,7