Lees and Sarjeant, 1971
From dinoflaj3
Lees, E. and Sarjeant, W.A.S., 1971: Translation of Russian Book. Fossilized Peridinid Algae in the Jurassic, Cretaceous and Palaeogene deposits of the USSR, by T.F. Vozzhennikova. Yorkshire, England, National Lending Library for Science and Technology, 456 p., 121 pl. (Translation of Vozzhennikova, 1967.) 2 vols.