http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v.2: Twenty studies in 2nd, 3rd, 4th and 5th positions
v.3: Twenty studies, change of positions
v.4: Studies in 6th and 7th positions and positions changes
last modification 20011012 00:00:00 Rodrigo Vera