http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Fundamentals mechanisms of photographic sensitivity
proceedings of a symposium held at the University of Bristol in March 1950
Conference on Fundamental Mechanisms of Photographic Sensiivity (1950 : University of Bristol)
viii, 347 pages : illustrations ; 26 cm.