The spores of the family Gleicheniaceae Ferns and their importance for the stratigraphy Transactions
Bolchovitina, N.A.
The spores of the family Gleicheniaceae Ferns and their importance for the stratigraphy Transactions - 1 - 116
The spores of the family Gleicheniaceae Ferns and their importance for the stratigraphy Transactions - 1 - 116