http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the 11th International Conference, Bristol, 7-12 September, 1981 under the joint auspices of the Parliamentary Assembly of the Council of Europe and the University of Bristol
edited by P. H. Fowler and V. M. Clapham
Supplement no.3 to the journal Nuclear Tracks: methods, instruments and applications