@article{CRPHYS_2004__5_4_495_0,
     author = {Pierre Billoir and Paul Sommers},
     title = {Identification of the primary cosmic ray},
     journal = {Comptes Rendus. Physique},
     pages = {495--503},
     publisher = {Elsevier},
     volume = {5},
     number = {4},
     year = {2004},
     doi = {10.1016/j.crhy.2004.03.011},
     language = {en},
}