http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Finite Element Schemes for the vertical discretization of the ECMWF forecast model using linear elements
STEPPELER, Juergen: -- Finite Element Schemes for the vertical -- discretization of the ECMWF forecast model -- using linear elements.1986 -- s.BURRIDGE, David M.