@misc{indiciae8a3bacd00443,
  title = {Protostellar Collapse with a Shock},
  author = {Tsai, John C. and Hsu, Juliana J. L.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19980007455},
  note = {Source identifier: 19980007455}
}