http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Relation of cotton root rot and fusarium wilt to the acidity and alkalinity of the soil
J.J. Taubenhaus, Walter N. Ezekiel, and D.T. Killough.
Bulletin (Texas Agricultural Experiment Station) ; no. 389