@misc{1198506,
  author = {M McClain and A Feldman and D Kahaner and X T Ying},
  title = {An algorithm and computer program for the calculation of envelope curves:},
  year = {1989},
  month = {1989-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.89-4210},
  language = {en},
}