Kirilova, K. and Yanchev, K. (2023) “ABOUT THE CHOICE OF PARAMETERS WHEN REPRESENTING THE NORMAL EARTH AS A REFERENCE FRAME IN GEODESY: ABOUT THE CHOICE OF PARAMETERS WHEN REPRESENTING THE NORMAL EARTH AS A REFERENCE FRAME IN GEODESY”, JOURNAL SCIENTIFIC AND APPLIED RESEARCH, 24(1), pp. 11–16. doi: 10.46687/jsar.v24i1.362.