@misc{indiciae8577d40d4498,
  title = {A METHOD FOR DEFINING PRINCIPAL MODES OF NONLINEAR SYSTEMS UTILIZING INFINITE DETERMINANTS.},
  author = {D G Magiros},
  year = {1960},
  doi = {10.1073/pnas.46.12.1608},
  url = {https://pubmed.ncbi.nlm.nih.gov/16590791/},
  note = {Source identifier: 16590791}
}