Bautrėnas, Artūras, Jana Konstantinova, and Marijus Pileckas. “Estimation and Improvement of Scanned Map Quality (in Basis of Adobe Photoshop)”. Geodesy and Cartography 32, no. 1 (August 3, 2012): IIa-IIh. Accessed December 2, 2024. https://ijspm.vgtu.lt/index.php/GAC/article/view/12129.