K. Käding

Magnetostratigraphy and high-resolution lithostratigraphy of the Permian–Triassic boundary interval in Central Germany

M. Menning, M. Szurlies, G. Bachmann, 2003 .

Carbon isotopic change at the base of the upper permian zechstein sequence

M. Magaritz, K. Käding, Peter Turner And, 2007 .