Pollen and spores from Eocene deposits of the Middle Course of the Volga River.
Foreign title:
Pyl'tsa i spory iz eotsenovykh otlozheniy Srednego Povolzh'Ya.
Reference:
Kuznetsova,T.A. (1966)
Pollen and spores from Eocene deposits of the Middle Course of the Volga River. [ Pyl'tsa i spory iz eotsenovykh otlozheniy Srednego Povolzh'Ya. ] Doklady Akademii Nauk SSSR
Vol. 168 # 5 P. 1135- 1137