Solovieva, M. N. (1986). ????????? ????????????? ????? ??????????? ????? ?? ?????????? ???????????? ??????????? ????????????? ????????????? - Fusulinid zonation of the Moscovian Stage as a result of restudying stratotypes of the intrastage units. ???????? ???? ???? ??????? ?????????????????? - Academy of Sciences USSR Questions of Micropaleontology. 28: 3-23., available online at (http://www.ginras.ru/library/pdf/28_1986_voprosy_mikropaleontologii.pdf) page(s): p. 19 pl. 1 figs. 3-4