@techreport{TUW-252048, author = {M{\"o}ller, Gregor and Wittmann, C. and Yan, Xin and Umnig, Elke Maria and Joldzic, Nina and Weber, Robert}, title = {3D ground based GNSS atmospheric tomography}, institution = {E120 - Department of Geodesy and Geoinformation; Vienna University of Technology}, year = {2016} }