Kirilova K. CREATION OF A DIGITAL TOPOGRAPHIC MODEL IN EXTREME AREAS ON THE TERRITORY OF SOUTH-WESTERN BULGARIARILA MOUNTAIN: CREATION OF A DIGITAL TOPOGRAPHIC MODEL IN EXTREME AREAS ON THE TERRITORY OF SOUTH-WESTERN BULGARIARILA MOUNTAIN. JSAR [Internet]. 2023 Mar. 23 [cited 2024 Nov. 24];18(1):66-71. Available from: https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/280