http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Steady movement of landslides in fine-grained soils
a model for sliding over an irregular slip surface
Model for sliding over an irregular slip surface
Includes bibliographical references (pages 26-28).
Landslide processes in Utah--observation and theory ; ch. D
U.S. Geological Survey bulletin ; 1842-D