http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Manufacturing Chemists' Association (U.S.)
"Useful information and statistics relating to the chemical and allied products industries."
A separately published supplement is issued as: Statistical summary (Manufacturing Chemists' Association (U.S.)).
Statistical summary (Manufacturing Chemists' Association (U.S.))