http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Guide des excursions du VII Congres geologique internationale
International Geological Congress 1897 : St. Petersburg)
xxxiv nos. in 1 volume : illustrations, plates (partly folded, partly color) maps (partly folded) folded tables, diagrams ; 23 cm.