TODOR, D.-R., and V. SURD. 2015. “HISTORY AND TOURIST VALORIZATION OF THE RUSCHIȚA MARBLE QUARRY (CARAȘ-SEVERIN COUNTY, ROMANIA)”. Studia Universitatis Babeș-Bolyai Geographia 60 (2):97-122. https://studia.reviste.ubbcluj.ro/index.php/subbgeographia/article/view/5741.