TY - GEN
AU - Gerlach, C.
AU -  Fecher, T.
T1 - Approximations of the GOCE Error Variance-Covariance Matrix for Least-Squares Estimation of Height Datum Offsets
CY - 
PY - 2012
PB - 
T3 - Journal of Geodetic Science
VL - 2, 4
UR - https://doi.org/10.2478/v10156-011-0049-0