Sužiedelytė-Visockienė, Jūratė, and Domantas Bručas. “Influence of Digital Camera Errors on the Photogrammetric Image Processing”. Geodesy and Cartography, vol. 35, no. 1, Aug. 2012, pp. 29-33, https://doi.org/10.3846/1392-1541.2009.35.29-33.