May, 1977
From dinoflaj2
May, F.E., 1977: Functional morphology, paleoecology, and systematics of Dinogymnium tests. Palynology, v.1, p.103-121, pl.1-3.
May, F.E., 1977: Functional morphology, paleoecology, and systematics of Dinogymnium tests. Palynology, v.1, p.103-121, pl.1-3.
