http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Density matrices and density functionals
proceedings of the A. John Coleman symposium
edited by Robert Erdahl and Vedene H. Smith, Jr.
"Proceedings of a three day conference, held in August 1985 and hosted jointly by the Departments of Chemistry, and Mathematics and Statistics of Queen's University"--P. xii.