Standard section of the Middle Miocene for Central Poland. Part1: Stratigraphy of the Middle Miocene in Central Poland based on spore and pollen analysis of Brown Coal from the Provices of by Dgoszcz and Poznan.
Reference:
Mamczar,J. (1960)
Standard section of the Middle Miocene for Central Poland. Part1: Stratigraphy of the Middle Miocene in Central Poland based on spore and pollen analysis of Brown Coal from the Provices of by Dgoszcz and Poznan. Biuletyn - Instytutu Geologiczny
Vol. 157 P. 193- 222