Silurian Corals from Maine and Quebec - Stumm, Erwin Charles 1908-1969; Oliver, William Albert 1926-2005 (U.S. Government Print. Office, 1962)
Literaturangaben
Silurian Corals from the Moose River Synclinorium, Maine/by Erwin Charles Stumm. Silurian Rugose Corals from the Lake Témiscouata area, Quebec/ by William Albert Oliver [u.a.]