http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Metal, chemical reactions with nonmetals nitrogen to arsenic
by Hermann Jehn [and others] ; edited by Jörn Jouanne, Elisabeth Koch, Ernst Koch.
Gmelin handbook of inorganic and organometallic chemistry ; system number 54