H. Bähr

Network adjustment of orbit errors in SAR interferometry

R. Hanssen, H. Bähr, 2010 .

Reliable estimation of orbit errors in spaceborne SAR interferometry

Ramon F. Hanssen, Hermann Bähr, R. Hanssen, 2012, Journal of Geodesy.

Variance Component Estimation for Combination of Terrestrial Reference Frames

Zuheir Altamimi, Bernhard Heck, Z. Altamimi, 2007 .