Labant, S., E. Weiss, J. Gašinec, J. Zuzík, and A. Király. “THREE-VARIANT PROCESSING AND ADJUSTMENT OF OBSERVATIONS AND DETERMINED ESTIMATIONS”. GeoScience Engineering, vol. 60, no. 3, Sept. 2014, https://geoscience.cz/ojs/index.php/GSE/article/view/57.