Яценюк, Ф. 2022. «Moving by light» (lat. a lumine motus) – a device for determining the sides of horizon and time: Book review: Mykola Ilkiv. Portable sundial from the Khotyn fortress: Attribution, usage features, space-time context. Chernivtsi: Technodruk, 2019. 208 p. History Journal of Yuriy Fedkovych Chernivtsi National University. 55 (Jun. 2022), 165-167. DOI:https://doi.org/10.31861/hj2022.55.165-167.