- Open Access
- Nils Olsen and
- Roger Haagmans
© The Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS); The Seismological Society of Japan; The Volcanological Society of Japan; The Geodetic Society of Japan; The Japanese Society for Planetary Sciences. 2006
- Published: 20 June 2014
Download the PDF to read the full article.