Krylasova, N.B., and Yu.A. Podosenova. “METALLURGICAL WORKSHOP FROM ROZHDESTVENSKOYE SETTLEMENT: ON THE ISSUE OF DEVELOPMENT OF COMMODITY PRODUCTIONIN THE PERM CIS-URALS”. Perm Federal Research Centre Journal, no. 4, Mar. 2016, pp. 27-41, https://journal.permsc.ru/index.php/pscj/article/view/PSCJ2015n4p3.