@misc{indiciaeef3dfb9d6b07,
  title = {Hydrographic data from the OPTOMA Program : OPTOMA15, 24 January-23 February, 1985 — Illustration, Page 84},
  year = {1985},
  url = {https://www.biodiversitylibrary.org/page/41165423},
  note = {Source identifier: page-41165423}
}