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Author (up) Title Year Publication Volume Pages
The enigma of the extinction of the dinosaurs 1979
Région de la Gara Azzel Matti, Sahara central 1968
Caves of the Upper Gila and Hueco areas in New Mexico and Texas 1947
Oldest Bacteria Fossils?: Or Are They Merely Tiny Rock Flaws? 2002 New York Times F4
Rising waters [videorecording] : global warming and the fate of the Pacific Islands 2000