@misc{indiciaeeaa196b35226,
  title = {Volume estimation of biological objects by systematic sections.},
  author = {T Mattfeldt},
  year = {1987},
  doi = {10.1007/bf00275503},
  url = {https://pubmed.ncbi.nlm.nih.gov/3437233/},
  note = {Source identifier: 3437233}
}