@misc{indiciae6af85691d40f,
  title = {Multi-Spacecraft Observations of Interplanetary Shocks},
  author = {Smith, C. W. and Tokar, R. L. and Skoug, R. M. and Szabo, A.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20000032153},
  note = {Source identifier: 20000032153}
}