R. A. Callen

11 papers and 369 indexed citations i.

R. A. Callen has authored 11 papers that have received a total of 369 indexed citations. This includes 7 papers in Atmospheric Science, 5 papers in Geology and 3 papers in Earth-Surface Processes. The topics of these papers are Geology and Paleoclimatology Research (7 papers), Geological and Geophysical Studies (5 papers) and Plant Diversity and Evolution (2 papers). R. A. Callen is often cited by papers focused on Geology and Paleoclimatology Research (7 papers), Geological and Geophysical Studies (5 papers) and Plant Diversity and Evolution (2 papers) and collaborates with scholars based in Australia and Germany. R. A. Callen's co-authors include Gerald C. Nanson, N. F. Alley, Robert Tjarko Lange, David M. Price and H. Wopfner and has published in prestigious journals such as Nature, Palaeogeography Palaeoclimatology Palaeoecology and Sedimentary Geology