Show 15 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Ravizza, Greg*" or (type exact bookEditor and editor="Ravizza, Greg*") Add to list Journal Article A1 Absence of geochemical evidence for an impact event at the Bølling-Allerød/Younger Dryas transition François S Paquay, Steven Goderis (UGent) , Greg Ravizza, Frank Vanhaecke (UGent) , Matthew Boyd, Todd A Surovell, Vance T Holliday, C Vance, Jr Haynes and Philippe Claeys (UGent) (2009) PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 106(51). p.21505-21510