@article{f8f5b45ae94748c3979d65ee7178e03a,
title = "Stratigraphy of the Hirnantian substage from Wangjiawan, Yichang, W. Hubei and Honghuayuan, Tongzi, N. Guizhou, China",
author = "X. Chen and J. Rong and Mitchell, \{C. E.\} and Harper, \{D. A.T.\} and J. Fan and Y. Zhang and R. Zhan and Z. Wang and Z. Wang and Y. Wang",
year = "1999",
language = "English",
volume = "43",
pages = "233--236",
journal = "Acta Universitatis Carolinae, Geologica",
issn = "0001-7132",
publisher = "Univerzita Karlova",
number = "1-2",
}