http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Structure-function relationships of proteolytic enzymes
proceedings of the International Symposium, Copenhagen, June 16-18, 1969
Edited by P. Desnuelle, H. Neurath [and] M. Ottesen.
Sponsored by the International Union of Biochemistry.