http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
action of ammonium chloride upon silicates
by Frank Wigglesworth Clarke and George Steiger.
Title from title screen (viewed Aug. 6, 2015).
Bulletin (Geological Survey (U.S.)) ; no. 207
Series E--Chemistry and physics ; no. 36