TY  - RPRT
TI  - Report of the Geological Exploration of the Fortieth Parallel, Volume VII: Odontornithes: A monograph on the extinct toothed birds of North America
AU  - Othniel Charles Marsh
AU  - Clarence King
PY  - 1880
DO  - 10.3133/70039897
UR  - https://pubs.usgs.gov/publication/70039897
ID  - 70039897
ER  -