@misc{indiciae21aab5284c5a,
  title = {Isochronism defect for various doubly rotated cut quartz resonators.},
  author = {Nicolas Gufflet and Roger Bourquin and Jean-Jacques Boy},
  year = {2002},
  doi = {10.1109/58.996571},
  url = {https://pubmed.ncbi.nlm.nih.gov/11989708/},
  note = {Source identifier: 11989708}
}