@misc{indiciae648bb092634f,
  title = {A1540-53, an eclipsing X-ray binary pulsator},
  author = {Becker, R. H. and Swank, J. H. and Boldt, E. A. and Holt, S. S. and Serlemitsos, P. J. and Pravdo, S. H. and Saba, J. R.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770061312},
  note = {Source identifier: 19770061312}
}