Parallelism of spore-pollen complexes of coal-bearing Palaeozoic deposits of Kazakhstan with complexes of spores and pollen of the Donets and the Kuznetsk Basins.
Reference:
Lyuber,A.A. (1960)
Parallelism of spore-pollen complexes of coal-bearing Palaeozoic deposits of Kazakhstan with complexes of spores and pollen of the Donets and the Kuznetsk Basins. Trudy Institut Geologicheskikh,Akademiya Nauk Kazakhskoi SSR,Nauk
Vol. 2 P. 161- 171