@misc{indiciaef51b15c98174,
  title = {A rectangular loop-gap resonator for EPR studies of aqueous samples.},
  author = {W Piasecki and W Froncisz and W L Hubbell},
  year = {1998},
  doi = {10.1006/jmre.1998.1482},
  url = {https://pubmed.ncbi.nlm.nih.gov/9740728/},
  note = {Source identifier: 9740728}
}