http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Conversion of cattle feedlot manure to ethylene and ammonia synthesis gas
Robert S. Kerr Environmental Research Laboratory
by Wiliam J. Huffman, James E. Halligan, Roger L. Peterson.
Research reporting series. EPA-600/2-78-026