Gw mau tau Rujukan dari Peristiwa kepupusan Perm–Trias. Jelasin dalam bahasa melayu

(editor), Understanding Late Devonian and Permian–Triassic Biotic and Climatic Events, (Volume 20 in series Developments in Palaeontology and Stratigraphy (2006). The state of the inquiry into the extinction events.

(editor), Permo–Triassic Events in the Eastern Tethys: Stratigraphy Classification and Relations with the Western Tethys (in series World and Regional Geology)