http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Dir. publ. proc., Ser. PCE Pollut. control-ecol
Compiled from the data banks of its series SEMT: science-engineering-medicine, and its series SSH: Social sciences-humanities.
Continued by: Directory of published proceedings, an online database.