@misc{indiciaef111be336ac3,
  title = {Phytochemistry of the fossilized-cuticle frond Macroneuropteris macrophylla (Pennsylvanian seed fern, Canada)},
  author = {E.L. Zodrow and J. A. D’Angelo and Maria Mastalerz and C.J. Cleal and D. Keefe},
  year = {2010},
  doi = {10.1016/j.coal.2010.07.008},
  url = {https://pubs.usgs.gov/publication/70037509},
  note = {Source identifier: 70037509}
}