Shen, S. Z., Cao, C. Q., Shi, G. R., Wang, X. D., & Mei, S. L. (2003). Lopingian (Late Permian) stratigraphy, sedimentation and palaeobiogeography in southern Tibet. NEWSLETTERS ON STRATIGRAPHY, 39(2-3), 157-179. Retrieved from http://gateway.webofknowledge.com/
Shen, S. Z., Cao, C. Q., Shi, G. R., Wang, X. D., & Mei, S. L. (2003). Lopingian (Late Permian) stratigraphy, sedimentation and palaeobiogeography in southern Tibet. NEWSLETTERS ON STRATIGRAPHY, 39(2-3), 157-179. Retrieved from http://gateway.webofknowledge.com/