http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Design of optional precipitation networks
by Walter M. Grayman [and] Peter S. Eagleson.
Partly funded by United States Office of Water Resources Research, grant number 14-31-0001-3403.
Report (Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics) ; 168