@misc{indiciae2786522fa967,
  title = {'Spherical' disks: Moving toward a unified source model for L1551},
  author = {Butner, Harold M. and Natta, Antonella and Evans, Neal J., II},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950035619},
  note = {Source identifier: 19950035619}
}