|| Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America.
|| Lyubomirova,K.A. et al. Results of palynological studies of Lower Cretaceous deposits in the northern part of the Leno-Anabar Trough. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor)
|| Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe.
|| Dжring,H. The spore genus Aequitriradites in the Wealden of northern Germany