Zamyatin, N. V., G. V. Smirnov, and V. I. Makovkin. “The Kalman Filter for Tank Level Measurements”. Russian Journal of Cybernetics 3, no. 2 (May 12, 2022): 31-35. Accessed August 11, 2022. https://en.jcyb.ru/nisii_tech/article/view/121.