Munnecke, A., Samtleben, C.; Bickert, T. (2003). „The Ireviken Event in the lower Silurian of Gotland, Seden-relation to similar Palaeozoic and Proterozoic events”. Palaeogeography, Palaeoclimatology, Palaeoecology195 (1), 99–124. o. DOI:10.1016/S0031-0182(03)00304-3.
Jeppsson, L., Calner, M. (2007). „The Silurian Mulde Event and a scenario for secundo—secundo events”. Earth and Environmental Science Transactions of the Royal Sciety of Edinburgh93 (02), 135–154. o. DOI:10.1017/S0263593300000377.