@misc{indiciae902be00047f7,
  title = {The LDEF ultra heavy cosmic ray experiment},
  author = {Osullivan, D. and Thompson, A. and Bosch, J. and Keegan, R. and Wenzel, K.-P. and Smit, A. and Domingo, C.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910015680},
  note = {Source identifier: 19910015680}
}