Kirilova , K. . (2023). GRAVIMETRIC MEASURMENTS IN EXTREMELY MOUNTAINOUS REGION OF THE TERRITORY OF SOUTH-WESTERN BULGARIARILA MOUNTAIN: GRAVIMETRIC MEASURMENTS IN EXTREMELY MOUNTAINOUS REGION OF THE TERRITORY OF SOUTH-WESTERN BULGARIARILA MOUNTAIN. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, 18(1), 48–65. https://doi.org/10.46687/jsar.v18i1.279