http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Advances in soil organic matter research
the impact on agriculture and the environment
edited by W.S. Wilson, Department of Biology, University of Essex ; advisory editors ; T.R.G. Gray ... [and more].
"The proceedings of a Joint Symposium organised by The Agricultural and Environmental Groups of The Royal Society of Chemistry, The British Society of Soil, Science and The International Humic Substances Society. Unviersity of Essex, 3-4 September 1990."
"First published by The Royal Society of Chemistry, 1991. Reprinted by Woodhead Publishing Limited 2011."