Structure and condition of Lower Eocene shale formations in the Tadzhik Depression and in the Gissarskiy Khrebet.
Reference:
Oleynik,V.V. et al. (1980)
Structure and condition of Lower Eocene shale formations in the Tadzhik Depression and in the Gissarskiy Khrebet. International Palynological Conference,5th.(Cambridge),Cenozoic Palynology in Middle Asia and the Caucasus,History and Annod Bibliography
P. 180- 180