1. Fluvial transport and downstream sediment modification in active volcanic region;Davies,1978
2. Associacion Palinológica de la Foramción Mesa en la región de Falan, Tolima, Colombia (in Spanish with English abstract);Dueñas;Geol. Norandina,1981
3. Early Tertiary volcaniclastic deposits of the northern Rocky Mountains;Fritz,1985
4. Volcano-tectonic segmentation of the northern Andes;Hall;Geology,1985
5. Buoyancy in debris flows;Hampton;J. Sediment. Petrol.,1979