Zhang, W.; Wang, Y.; Zheng, S.; Yang, X.; Li, Y.; Fu, X.; Li, N. (2007). Taxonomic investigations on permineralized conifer woods from the Late Paleozoic Angaran deposits of northeastern Inner Mongolia, China and their palaeoclimatic significance. Review of Palaeobotany and Palynology. 144(3-4): 261-285.
Taxonomic investigations on permineralized conifer woods from the Late Paleozoic Angaran deposits of northeastern Inner Mongolia, China and their palaeoclimatic significance