http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
edited by M. C. Jackson, G. J. Mansell, R. L. Flood, R. B. Blackham and S. V. E. Probert.
Proceedings of the United Kingdom Systems Society Conference on Systems thinking in Europe, held September 10-13, 1991, in Huddersfield, United Kingdom.