A connection of petrographic types of coal with spore-pollen complex compositions, for example, of the Suchansk Basin.
Foreign title:
Svyaz
Reference:
Verbitskaya,Z.I. et al. (1961)
A connection of petrographic types of coal with spore-pollen complex compositions, for example, of the Suchansk Basin. [ Svyaz ] Akademiya Nauk SSR,Geological Problems of the Coal Deposits of the Tic Part of the USSR. (Moscow)
P. 243- 249