@misc{indiciae33254b2ca6da,
  title = {Circumstellar shells in the young cluster NGC 2264},
  author = {Strom, K. M. and Strom, S. E. and Yost, J.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710045918},
  note = {Source identifier: 19710045918}
}