http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Field measurement of dinitrogen fixation and denitrification
proceedings of a symposium sponsored by Divisions S-2, S-3, and S-4 of the Soil Science Society of America in Washington, DC, 15 Aug. 1983
editors, R.D. Hauck and R.W. Weaver; organizing committee, R.D. Hauck[and others]; editor-in-chief, John J. Mortvedt; managing editor, David M. Kral; associate editor, Sherri H. Mickelson.