http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Grazing and haying effects on habitats of upland nesting birds
Northern Prairie Wildlife Research Center
Leo M. Kirsch, Harold F. Duebbert, and Arnold D. Kruse.
"Reprinted from: Transactions of the 43rd North American Wildlife and Natural Resources Conference, 1978. Published by the Wildlife Management Institute, Washington, D.C."