http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
WAHL, Edward F.: -- Geothermal Energy Utilization. - New York [usw.]:Wiley (1977).XIV,302 S.mit Fig. 8° -- 1979:B 198/gb. -- Ko.°