http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
survey of timber harvesting simulation models for use in the south
Southern Forest Experiment Station, New Orleans, La.
Daniel V. Goulet, Donald L. Sirois, and Ronald H. Iff.
USDA Forest Service general technical report SO ; 25