academic article

• Soil air carbon dioxide and nitrous oxide concentrations in profiles under tallgrass prairie and cultivation.  Journal of Environmental Quality .  28:784-793. 1999
• Carbon and nitrogen mineralization in tallgrass prairie and agricultural soil profiles.  Soil Science Society of America Journal .  62:942-951. 1998
• Biological properties of soil and subsurface sediments under abandoned pasture and cropland.  Soil Biology and Biochemistry Journal.  28:837-846. 1996
• Denitrification in soil profiles beneath grassland and cultivated soils.  Soil Science Society of America Journal .  60:1822-1828. 1996