DUTKIEWICZ, Tomasz Wojciech and BRZEZIŃSKI, Daniel. The Philosophical Science of Signs as Intermediaries of Human Understanding versus the Sign-Based Character of the Liturgy. Theology and Man. Online. 28 December 2021. Vol. 56, no. 4, pp. 45-60. [Accessed 8 July 2025]. DOI 10.12775/TiCz.2021.026.