Marosz, M. and Kożuchowski, K. 2019. Geostrophic wind variability in the 50–60°N zone over Europe: the role of mid-troposphere atmospheric circulation macro-forms. Bulletin of Geography. Physical Geography Series. 16 (Jun. 2019), 45–65. DOI:https://doi.org/10.2478/bgeo-2019-0004.