Chen, M., Chen, Y., and Qian, Y. 1981. Some tubular fossils from Sinian-Lower Cambrian boundry sequences, Yangtze Gorge. Bulletin of the Tianjin Institute of Geology and Mineral Resources, 3: 117-124.
49512
Chen, M.; Chen, Y.; Qian, Y.
1981
Some tubular fossils from Sinian-Lower Cambrian boundry sequences, Yangtze Gorge
Bulletin of the Tianjin Institute of Geology and Mineral Resources