@misc{indiciaeca566abee16a,
  title = {Hydrographic data from the OPTOMA Program : OPTOMA11, 5-June-5 August, 1984 — Illustration, Page 101},
  year = {1985},
  url = {https://www.biodiversitylibrary.org/page/41293877},
  note = {Source identifier: page-41293877}
}