@article{CRPHYS_2004__5_4_441_0,
     author = {Michael Kachelrie{\ss}},
     title = {Status of particle physics solutions to the {UHECR} puzzle},
     journal = {Comptes Rendus. Physique},
     pages = {441--452},
     publisher = {Elsevier},
     volume = {5},
     number = {4},
     year = {2004},
     doi = {10.1016/j.crhy.2004.03.015},
     language = {en},
}