Savage, William Z. A model for the plastic flow of landslides / by ... and William K. Smith - Washington : U. S. Govt. Print. Off., 1986 - 32 p - United States. Geological Survey. Professional paper ; no. 1385 . Subjects--Topical Terms: Plasticity--Mathematical modelsLandslides--Mathematical models LC Class. No.: QE75 P9 no. 1385