@misc{indiciae1970a209d573,
  title = {The differential equations for specific activities in a distributed tracer system.},
  author = {J Z Hearon},
  year = {1968},
  doi = {10.1007/bf02476700},
  url = {https://pubmed.ncbi.nlm.nih.gov/5674901/},
  note = {Source identifier: 5674901}
}