LABAK-MECHOWSKA, EWA. “VARIABILITY OF GEOLOGICAL AND ENGINEERING CONDITIONS IN RIVER VALLEYS: THE EXAMPLE OF THE UPPER VISTULA RIVER VALLEY”. Bulletin of Geography. Physical Geography Series, no. 7 (March 16, 2015): 121–137. Accessed July 18, 2024. https://apcz.umk.pl/BOGPGS/article/view/bgeo-2014-0006.