Oliver, W.A., Jr., 1960.:MareMagnumRugose corals from reefs limestones in the Lower Devonian of New York.
Turnau, E., 1978.:MareMagnumSpore zonation of uppermost Devonian and Lower Carboniferous deposits of Western Pomeriania (N. Poland).4to. Pp. 35, 105 microphotos on 5 pls., 6 figs., refs. Orig. wrs.Aquila Natural History Books · Lochem, NL9,00 €
Rabien, A., 1960.:MareMagnumZur Ostracoden-Stratigraphie an der Devon/Karbon-Grenze im Rheinischen Schiefergebirge.pp. 61-106, 3 pls., 7 tabs., 4 figs., refs. Plain new wrs.Aquila Natural History Books · Lochem, NL7,00 €