Bakhmutov, V.G., Sedova, F.I. and Mozgova, T.A. 2003. Morphological analysis of geomagnetic variations in preparation period of the strongest earthquake of 25 March 1998. Ukrainian Antarctic Journal. 1 (Dec. 2003), 54-60. DOI:https://doi.org/10.33275/1727-7485.1.2003.624.