http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Messungen des arktischen stratosphärischen Ozons
Vergleich der Ozonmessungen in Ny-Ålesund, Spitzbergen, 1997 und 1998 = Measurements of Arctic stratospheric ozone : comparison of ozone-measurements at Ny-Ålesund, Spitzbergen, in 1997 and 1998
Measurements of Arctic stratospheric ozone
comparison of ozone-measurements at Ny-Ålesund, Spitzbergen, in 1997 and 1998
Alfred-Wegener-Institut für Polar- und Meeresforschung