@misc{indiciae15c16043cde2,
  title = {Reconnaissance investigation of the subsidence of Venice and suggested steps toward its control},
  author = {J. F. Poland and L.J. Mostertman},
  year = {1970},
  doi = {10.3133/ofr70265},
  url = {https://pubs.usgs.gov/publication/ofr70265},
  note = {Source identifier: ofr70265}
}