by Afanasiev, V.P., Ashchepkov, I.V., Verzhak, V.V., O’Brien, H., Palessky, S.V.
Published in Journal of Asian earth sciences (01.07.2013)

by VERZHAK D.V, ZUEV V.M, GARANIN V.K, GARANIN K.V, VERZHAK V.V, PYLAEV N.F, BEZBORODOV S.M, KUDRJAVTSEVA G.P
Year of Publication 20.06.2003

by VALUEV E.P, GUS'KOV JU.A, DOBROMYSLOV V.G, VERZHAK V.V, FORTYGIN V.S, STEPANOV A.N, LEVCHENKO V.A, GOROKHOV I.JU
Year of Publication 27.07.1996