http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Erdwies. -- ENVIRONMENT earth's electrical -- The earth's electrical Environment.Geophysics -- Study Committee,Geophysics Research Forum ... -- Washington,D.C.:National Acad.Pr.1986. XIV, -- 263 S.m.Abb.u.Tab. 4° -- (Studies in geophysics.) -- 1987:616/Me. -- Web.