@misc{indiciae336a0436903b,
  title = {Search for antimatter in primary cosmic rays.},
  author = {Buffington, A. and Smith, L. H. and Smoot, G. F. and Alvarez, L. W. and Wahlig, M. A.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720043630},
  note = {Source identifier: 19720043630}
}