@misc{indiciae01a128e4946f,
  title = {Porosity evolution, Late Miocene reefs, Almeria Province, southern Spain},
  author = {Augustus K. Armstrong and P. D. Snavely and Warren O. Addicott},
  year = {1978},
  doi = {10.3133/ofr78940},
  url = {https://pubs.usgs.gov/publication/ofr78940},
  note = {Source identifier: ofr78940}
}