Nøhr-Hansen and Dam, 1999
From dinoflaj2
Nøhr-Hansen, H. and Dam, G, 1999: Trithyrodinium evittii Drugg 1967 and T. fragile Davey 1969 an artificial split of one dinoflagellate cyst species - stratigraphic and palaeoenvironmental importance. Grana, v.38, nos.2-3, p.125-133.
