Kussainov, A.S., and N.Y. Pya. “THE NEUTRON MONITOR TIME SERIES STATISTICS ANALYSIS AND EARTHQUAKES PREDICTION”. Хабаршы. Физика сериясы, vol. 2011, no. 3, Oct. 2017, pp. 53-59, https://bph.kaznu.kz/index.php/zhuzhu/article/view/977.