%0 Journal Article %T Polarization dynamics of Pi2 pulsations at midlatitudes during development of substorms in the auroral zone %A Rakhmatulin, R.A. %A Pashinin, A.Y. %K magnetosphere, geomagnetic disturbances, auroral substorm, geomagnetic pulsations Pi2, polarization of geomagnetic pulsations, Russian Arctic sector, magnetic observatories %J Solar-Terrestrial Physics %D 2018 %N 4 %P 5 %I INFRA-M Academic Publishing LLC.