http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Chemical, mineralogical and engineering properties of Alabama and Mississippi black belt soils
Mississippi Agricultural Experiment Station
[by J.B. Dixon and V.E. Nash] A regional publication by the Alabama and Mississippi Agricultural Experiment Stations and by the Soil Conservation Service, U.S. Dept. of Agriculture.
Southern cooperative series bulletin ; no. 130