Rokityansky, I., Tregubenko, V.I., Babak, V. і Tereshin, A.V. 2013. Variation of the components of the induction vector and the horizontal tensor before the Tohoku earthquake March 11, 2011 according to the data of Japanese geomagnetic observatories. Геофізичний журнал. 35, 3 (Квіт 2013), 115–130. DOI:https://doi.org/10.24028/gzh.0203-3100.v35i3.2013.116406.