I. S. Barskov, K. V. Simakov, A. S. Alekseev, B. I. Bogoslovsky, T. V. Byvsheva, M. H. Gagiev, L. N. Kononova, N. M. Kochetkova, L. F. Kusina and E. A. Reitlinger. 1984. Devonian-Carboniferous transitional deposits of the Berchogur section, Mugodzary, USSR. Courier Forschungsinstitut Senckenberg 67:207-230 [P. Novack-Gottshall/P. Hearn/M. Uhen]