Sharafutdinova, 1992
From dinoflaj3
Sharafutdinova, N.G., 1992: Dinotsisty na granitse Maastrikhta i Daniya v razreze Koshak (Mangyshlak). Byulleten Moskovskogo Obshchestva Ispytatelei Prirody, Otdel Geologicheskii, v.67, no.2, p.92-98.