Харченко, В.П., and В.М. Кондратюк. “Application of Differential Methods of Global Navigation Satellite Systems in Mobile objects’ Current Coordinates Determination”. Proceedings of National Aviation University (archive) 43, no. 2 (February 1, 2010): 46–52. Accessed April 17, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/1847.