@misc{indiciae1a6721215783,
  title = {Memorias da Academia Real das Sciencias de Lisboa. Classe de sciencias mathematicas, physicas e naturaes — Illustration, BHL page 4592093},
  year = {1867},
  url = {https://www.biodiversitylibrary.org/page/4592093},
  note = {Source identifier: page-4592093}
}