Water column anoxia, enhanced productivity and concomitant changes in δ13C and δ34S across the Frasnian–Famennian boundary (Kowala — Holy Cross Mountains/Poland)Michael M. Joachimski, Grzegorz Racki, Ralf Littke et al.|Chemical Geology|2001Cited by 222
Carbon, sulfur, oxygen and strontium isotope records, organic geochemistry and biostratigraphy across the Permian/Triassic boundary in Abadeh, IranChristoph Korte, Lorenz Schwark, Harald Strauß et al.|International Journal of Earth Sciences|2004Cited by 176