University thesis:
Zugl.: Zürich, ETH, Diss., 2000
Footnote:
Teilw. mit CD-ROM u.d.T.: Swiss national report on the geodetic activities in the years 1999 - 2003 : presented to the XXIII General Assembly of the International Union of Geodesy and Geophysics, Sapporo, Japan, 31. 6. - 11. 7. 2003 geliefert