Dodekova, 1990
From dinoflaj2
Dodekova, L., 1990: Dinoflagellate cysts from the Bathonian-Tithonian (Jurassic) of north Bulgaria. I. Taxonomy of Bathonian and Callovian dinoflagellate cysts. Geologica Balcanica, v.20, no.2, p.3-45, pl.1-10.