@misc{indiciae6a3bc2e56c9e,
  title = {Cyclic changes in Pennsylvanian paleoclimate and effects on floristic dynamics in tropical Pangaea},
  author = {William A. DiMichele and C. B. Cecil and I.P. Montanez and H. J. Falcon-Lang},
  year = {2010},
  doi = {10.1016/j.coal.2010.01.007},
  url = {https://pubs.usgs.gov/publication/70037299},
  note = {Source identifier: 70037299}
}