On Upper Eocene and Oligocene Formations of the north-eastern Ukraine.
Foreign title:
O verkhneeotsenovykh i Oligotsenovykh Obrazovaniy Akh Severo-Vostochnoi Ukrainy
Reference:
Blank,M.Y. et al. (1980)
On Upper Eocene and Oligocene Formations of the north-eastern Ukraine. [ O verkhneeotsenovykh i Oligotsenovykh Obrazovaniy Akh Severo-Vostochnoi Ukrainy ] Geologicheskii Zhurnal
Vol. 40 # 4 P. 25- 33