http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sampling insect populations by sweep net on the Pawnee site
prepared by T.O. Thatcher, Grace Inyamah, J.E. Mitchell.
Technical report (U.S. International Biological Program. Grassland Biome) ; no. 50