http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
14.067 -- mat.nat.1964,9 -- PENTTILAE, Esko. -- Seismic Refraction measurments of crustal -- structure in northern Scandinavia.1964 -- s.SELLEVOLL, Markvard A.