@misc{indiciae33415930638a,
  title = {Origin of caves and other solution openings in the unsaturated (vadose) zone of carbonate rocks: A model for CO2 generation},
  author = {W.W. Wood},
  year = {1985},
  doi = {10.1130/0091-7613(1985)13<822:oocaos>2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70013076},
  note = {Source identifier: 70013076}
}