G. Kotlyar

Permian chronostratigraphic subdivisions

B. Wardlaw, B. Glenister, Yg Jin, 1997 .

Recommendation of the Meishan section as global stratotype section and point for basal boundary of Triassic System

B. Glenister, H. Kozur, J. Sheng, 1996 .

An operational scheme of Permian chronostratigraphy

Jin Yugan, G. Kotlyar, Sheng Jinzhang, 1994 .

Permian and Triassic exotic limestone blocks of the Crimea

J. Marcoux, A. Baud, M. Nestell, 1999 .