@misc{indiciae3be54a482997,
  title = {Hydrographic data from the OPTOMA Program : OPTOMA1, March 8-l3, 1982 — Illustration, Page 21},
  year = {1984},
  url = {https://www.biodiversitylibrary.org/page/41277582},
  note = {Source identifier: page-41277582}
}