	Authors	Year	Title
	Kuz'min & Yatskov	1997	Transgressive-Regressive events and conodont and ammonoid assemblages in the Frasnian of the South Timan. Courier Forschungsinstitut Senckenberg, 199: 25-36, 8 figs., Frankfurt.
	Yatskov & Kuz'min	1992	O sootnochenii kompleksov ammonoideiy i konodontov v nizhnefranskikh otlozheniyakh yuzhnogo Timana. (Comparisons of ammonoid and conodont assemblages in the lower Frasnian of South Timan). Byul. Mosk. Isp. Prip. Otd. Geol., 67: 85-90, fig.1-2, tab.1-2; Moskva.