%0 Journal Article %J Palaeogeography, Palaeoclimatology, Palaeoecology %D 2015 %T Redox conditions across the Cambrian-Ordovician boundary: elemental and isotopic signatures retained in the GSSP carbonates %A K. Azmy %A B. Kendall %A U. Brand %A S. Stouge %A G.W. Gordon %B Palaeogeography, Palaeoclimatology, Palaeoecology %V 440 %P 440-454 %G eng