1. Proposed initiative would study Earth's weathering engine;Anderson;Eos,2004
2. Soils and Geomorphology;Birkeland,1999
3. Elements of Chemical and Physical Geology (volumes 1–3);Bischof,1854
4. Pleistocene glaciation of the Sierra Nevada and Basin Ranges;Blackwelder;Bulletin of the Geological Society of America,1931
5. Weathering and geomorphology of the Pikes Peak Granite in the southern Rampart Range, Colorado;Blair,1976