Stumm, Erwin C. 1908-1969 Silurian corals from maine and Quebec / by Erwin C. Stumm, William A. Oliver. -- Washington : United States Government Printing Office, 1962 - 29 p., [5] h. de lam. -- (Geological Survey Professional Paper ; 430). Subjects--Topical Terms: Corales fósilesMaineQuebec Universal Decimal Class. No.: 563.6(714+741)