Orlyuk, M., Romenets, A., Marchenko, A., Orlyuk, I. і Ivashchenko, I. 2015. Magnetic declination of the territory of Ukraine: the results of observations and calculations. Геофізичний журнал. 37, 2 (Бер 2015), 73–85. DOI:https://doi.org/10.24028/gzh.0203-3100.v37i2.2015.111307.