@misc{indiciaeac219aa580a6,
  title = {Additamenta ad Iacobi Theodori Klein Naturalem dispositionim echinodermatum et lucubratiunculam de aculeis echinorum marinorum / Nathanaelis Godofredi Leske — Illustration, Plate XXXVII},
  year = {1778},
  url = {https://www.biodiversitylibrary.org/page/12002622},
  note = {Source identifier: page-12002622}
}