TY JOUR TI Geomagnetic Survey Interpolation with the Machine Learning Approach KW aeromagnetic survey KW UAV KW machine learning KW k-NN KW Borok observatory JO Russian Journal of Earth Sciences AU Aleshin, I.M. AU Kholodkov, K.I. AU Malygin, I.. AU Shevchuk, R.. AU Sidorov, R.. PY 2022 IS 22 PB Geophysical Center of the Russian Academy of Sciences