http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
by L. Barton, D. Betteridge, A. Fiechter, H. Janshekar, C.K. Jørgensen, R. Reisfeld, T. Saegusa, T.J. Sly, H.E. Zimmerman.