New Mesosoic and Cenozoic taxa of brachiopods [In Russian] - Katz, Y.I., Popov, A.M. (Vestnik Kharkovskogo Universiteta (Seriia Geologicheskaia), 1974)
Paper in two parts: "New data of Mesozoic and Cenozoic loop bearing brachiopods" (pp. 22-33), & "New data on the structure of the shells of loop bearing brachiopods" (pp. 33-42)