Ostracoda from the Late Permian of Greece (Thaumatocyprididae and Polycopidae) /
Sohn, I. G. 1911-2000.
Ostracoda from the Late Permian of Greece (Thaumatocyprididae and Polycopidae) / I.G. Sohn and Louis S. Kornicker. - Washington, D.C. : Smithsonian Institution Press, 1998. - iii, 34 p. : ill. ; 28 cm. - Smithsonian contributions to paleobiology ; no. 87 .
Ostracoda from the Late Permian of Greece (Thaumatocyprididae and Polycopidae) / I.G. Sohn and Louis S. Kornicker. - Washington, D.C. : Smithsonian Institution Press, 1998. - iii, 34 p. : ill. ; 28 cm. - Smithsonian contributions to paleobiology ; no. 87 .