@misc{indiciaec8f62e970325,
  title = {Composition analysis of polybutenes.},
  author = {E M BARRALL and R S PORTER and J F JOHNSON},
  year = {1963},
  doi = {10.1016/s0021-9673(01)80894-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/13969496/},
  note = {Source identifier: 13969496}
}