@misc{indiciae4664cd1348bc,
  title = {Interplanetary shock collisions - Forward with reverse shocks},
  author = {Smith, Z. K. and Dryer, M. and Han, S. M.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860048144},
  note = {Source identifier: 19860048144}
}