Ф. Яценюк, “«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.”, HJ, no. 55, pp. 165-167, Jun. 2022.