http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Interpretation of the composition of trioctahedral micas
"A study of the compositional and layer charge relations of phlogopites, biotites, siderophyllites and lepidomelanes."
Professional paper (Geological Survey (U.S.)) ; 354-B
Shorter contributions to general geology