Freze, Anna A. “The Correlation of Central and Peripheral Zones in Byzantine and Russian Churches: on the Usability of the Term ‘five-nave’ Regarding the 9th-12th C. Monuments”. Actual Problems of Theory and History of Art, vol. 2, Oct. 2012, pp. 87–93, https://publ.actual-art.org/aptha/article/view/10192.