Bursa, 1971
From dinoflaj3
Bursa, A.S., 1971: Morphogenesis and taxonomy of fossil and contemporary Dinophyta secreting discoasters. In: Farinacci, A. (editor), Second Planktonic Conference, Rome, 1970, Proceedings. Rome, Edizioni Tecnoscienza, p. 129-143, pl. 1-2.