@article{yjycl2108474119332691969,
  title = {宁夏中宁天景山奥陶纪生物特征及地质意义},
  author = {韩加银},
  journal = {冶金与材料},
  year = {2019},
  number = {1},
  pages = {157--157},
  issn = {2096-4854},
  url = {https://journal.zazhitong.com/yjycl/articles/2108474119332691969},
}