http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an Analysis of Nonlinear Structures, Bifurcation Points and Autoregressive Dependencies
Proceedings of the NATO Advanced Study Institute, Hanstholm, Denmark, August 3-4, 1985
edited by Daniel A. Griffith, Robert P. Haining.