@misc{indiciaeffcc7f1842d3,
  title = {Investigations on microscopic foams and on protoplasm. Experiments \& observations directed towards a solution of the question of the physical conditions of the phenomena of life — Illustration, Page 302},
  year = {1894},
  url = {https://www.biodiversitylibrary.org/page/1173923},
  note = {Source identifier: page-1173923}
}