http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
V.II Systems, variational methods, and relativity : 1962 / by Robert L. Halfman
includes appendix . - references . - index
Addison - Wesley series in the engineering sciences
Systems, variational methods, and relativity V.II