Brand, Uwe.2009-03-232009-03-2319791979Source: Dissertation Abstracts International, Volume: 62-13, Section: A.http://hdl.handle.net/10393/8327http://dx.doi.org/10.20381/ruor-7248Biology, General.Geochemistry of paleozoic corals, crinoids and associated carbonate rocks from Arctic Canada, Iowa and Missouri.Thesis