Miocene flora in the Yergeni Formation of Oka-Don Plain.
Foreign title:
O Miotsenovoy flore Yergeninskoy Tolshchi Oksko-Donskoy Nizmennosti
Reference:
Grishchenko,M.N. et al. (1965)
Miocene flora in the Yergeni Formation of Oka-Don Plain. [ O Miotsenovoy flore Yergeninskoy Tolshchi Oksko-Donskoy Nizmennosti ] Doklady Akademii Nauk SSSR
Vol. 160 # 6 P. 1365- 1367