http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
spectroscopic, chromatographic, and physical instrumental methods
"Based on a symposium sponsored by the ACS Macromolecular Secretariat at the 181st Meeting of the American Chemical Society, March 29-April 3, 1981, Atlanta, Georgia."