http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a symposium of philosophers and physicists
Edited by S. Korner in collaboration with M. H. L. Pryce. Proceedings of the ninth symposium ... held in the University of Bristol, April 1st - April 4th, 1957.