Beroza, Gregory C How many great earthquakes should we expect? [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Jan 2012 - 651-2 p. digital Publication Type: Journal Article; Comment ISSN: 1091-6490 Standard No.: 10.1073/pnas.1120744109 doi Subjects--Topical Terms: EarthquakesInternationality