http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
International Congress on Carboniferous Stratigraphy and Geology 1963 : Paris)
3 volumes : illustrations, maps (part folded) ; 28 cm.
Volume 3 has title: Petrographie des charbens, palynologie.