@misc{indiciaeda0e7d3b70f9,
  title = {The evolution of ultrashort period binary systems},
  author = {Nelson, L. A. and Rappaport, S. A. and Joss, P. C.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860051378},
  note = {Source identifier: 19860051378}
}