Authors Year Title
Zakharov & Oleinikov 1994 New data on the problem of the Permian-Triassic boundary in the Far East. In: PANGEA: Global environments and resources  (Eds. A.F.Embray, B.Beauchamp & D.J.Glass).
Canadian Society of Petroleum Geologists, Memoir17: 845-856, 6 fig., 2 pl., Calgary.
Zakharov, Oleinikov & Kotlyar 1999 First Find of Early Permian Goniatite in Southern Primorie. [Yu.D. Zakharov, A.V.Oleinikov, G.V.Kotlyar, V.I.Burago, V.S.Rudenko & E.A.Dorukhovskaya].
Geology of Pacific Ocean, 14: 805-816, 5 fig., Singapore.