Magnusková, Jana, Zdeněk Pavelek, and Lucie Krčmarská. “Possibilities of Application of Static Investment Appraisal Methods for Optimizing Purchase Under Conditions of Mine Rescue Service”. GeoScience Engineering 60, no. 1 (March 1, 2014). Accessed April 30, 2026. https://geoscience.cz/ojs/index.php/GSE/article/view/18.