Barbashinova,V.N. (1956)
Spore and pollen complexes of Mesozoic Layers of the northern part of the Turgayskaya Basin [ Sporobo-pyl'tsevye kompleksy Mezozoyskikh Otlo Zheniy Severnoy Chasti Turgayskoy Bpadiny ] Trudy Institut Geologicheskikh,Akademiya Nauk Kazakhskoi SSR,Nauk
Vol. 1 # 1 P. 143- 273