Voloshchuk M. Cities of Rus’ in the military operations of the Piasts against the Rurikids (11 – mid- of the 14 centuries). Part 1. In: Grabarczyk T, Pogońska-Pol M, editors. City and War [Internet]. Poland: Lodz University Press; 2021 [cited 2026 Jan. 25]. pp. 27-52. (, editor. Faces of war; vols. 4). Available from: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/246/chapter/592