Nøhr-Hansen, 1993
From dinoflaj3
Nøhr-Hansen, H., 1993: Dinoflagellate cyst stratigraphy of the Barremian to Albian, Lower Cretaceous, north-east Greenland. Grønlands Geologiske Undersøgelse, Bulletin, no.166, p.1-171, pl.1-30.