Drevneĭshie skeletnye okamenelosti i stratigrafi︠i︡a pogranichnykh tolshch dokembri︠i︡a i kembri︠i︡a - Missarzhevskiĭ, V. V. (Vladimir Vladimirovich) (Trudy (Geologicheskiĭ institut (Akademi︠i︡a nauk SSSR)) ;, 1989)