Duisekeyeva, N. M., et al. “THE EARHTQUAKE PRECURSORS IN WAVELET TRANSFORM OF THE DATA FROM THE NEUTRON MONITOR AT TIEN-SHAN HIGH ELEVATION RESEARCH STATION”. Recent Contributions to Physics, vol. 2011, no. 2, June 2011, pp. 25-28, https://bph.kaznu.kz/index.php/zhuzhu/article/view/132.