@misc{indiciaeaf9002ed2c25,
  title = {Parameterized Cross Sections for Pion Production in Proton-Proton Collisions},
  author = {Blattnig, Steve R. and Swaminathan, Sudha R. and Kruger, Adam T. and Ngom, Moussa and Norbury, John W. and Tripathi, R. K.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20010018567},
  note = {Source identifier: 20010018567}
}