http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Molecular associations between montmorillonite and some polyfunctional organic liquids
At head of title: State of Illinois. Dept. of registration and education. Division of the geological survey.
"Reprinted from Journal of the American chemical society, volume67, number6, 1945."
Report of investigations (Illinois State Geological Survey) ; no. 108