Nguyen, B.D. and Dang, T.M. 2011. Study of exponential algorithm for determining parameters of vertical motion of waste rock piles in planning restoration of it in order to develop sustainably environment and resources of exploitation region . Journal of Geodesy and Cartography. 7 (Mar. 2011), 19–23. DOI:https://doi.org/10.54491/jgac.2011.7.439.