http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proposed practices for economic analysis of river basin projects
Inter-agency Committee on Water Resources.
report to the Inter-Agency Committee on Water Resources by the Sub-committee on Evaluation Standards.
First ed. by U.S.A. - Federal Inter-Agency River Basin Committee.