	Authors	Year	Title
	Popov	1992	Gzhelskie ammonoidei Srednei Azii (Karachatyr). St. Petersburg State University, Voprosy Paleontologii, 10: 52-62, 1 text-fig., 1 pl.
	Zakharov	1978	Novye nakhodki goniatitov v otlozheniiakh karbona khr. Karachatyr (Yuzhnaia Fergana). Uzbekskii geol. Zhurnal, Akad. Nauk Uzbekskoi SSR, 1978 (3): 50-54, 2 text-fig.