Syers and Sarjeant, 1967
From dinoflaj3
Syers, K. and Sarjeant, W.A.S., 1967: Translation of Russian Book. Introduction to the study of Fossilized Peridinid Algae by T.F. Vozzhennikova. Yorkshire, England, National Lending Library for Science and Technology, 236 p. (Translation of Vozzhennikova, 1965.)