http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of a conference held at Oberwolfach, November 17-23 1974
edited by R. Bulirsch, W. Oettli, and J. Stoer.
Lecture notes in mathematics (Springer-Verlag) ; 477