@misc{indiciae098016ad3da8,
  title = {Hierarchical structure in polymeric materials.},
  author = {E Baer and A Hiltner and H D Keith},
  year = {1987},
  doi = {10.1126/science.3823866},
  url = {https://pubmed.ncbi.nlm.nih.gov/3823866/},
  note = {Source identifier: 3823866}
}