1. Population trends in grassland, shrubland, and forest birds in eastern North America;Askins,1993
2. Oklahoma Bird Life;Baumgartner,1992
3. Using Prescribed Fire in Oklahoma;Bidwell,1994
4. Landscape structure and change in a hardwood forest-tallgrass prairie ecotone;Boren;J. Range Manage.,1997
5. Effects of agriculture intensification on landscapes and avian community structure;Boren,1995