@misc{indiciae93a45eacbee5,
  title = {A new variable path length column for gas chromatography.},
  author = {P L Gupta},
  year = {1969},
  doi = {10.1016/s0021-9673(01)98026-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/5766067/},
  note = {Source identifier: 5766067}
}