Palaeopalyngology 
Pokrovskaia, I. M.
Andreeva, E. M.
Syers, Kenneth.
National Lending Library for Science and Technology (Great Britain)
Boston Spa National Lending Library for Science and Technology,
1970
Translation of 'Paleopalinologiia' Tom.2. Leningrad: Nedra, 1966
Bibliographyp.690-797
Spores (Botany), Fossil.
Pollen, Fossil.
Paleobotany