http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Biological aspects of rare plant conservation
xxviii, 558 pages : illustrations ; 24 cm.
Proceedings of an international conference held at King's College, Cambridge, England, July 14-19, 1980, and sponsored by the Linnean Society of London and the Botanical Society of the British Isles.