Gibowski, Slawomir. “THE CHOSEN CLASSICAL AND NON-CLASSICAL ALGORITHMS IN THE GEODETIC MEASUREMENTS OF DISPLACEMENTS”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 23, 2007): 62–69. Accessed May 6, 2024. https://journals.rta.lv/index.php/ETR/article/view/1719.