@article{article4ed61546,
title   = {Antiproton flux, antiproton-to-proton flux ratio, and properties of elementary particle fluxes in primary cosmic rays measured with the alpha magnetic spectrometer on the International Space Station},
author = {Aguilar, M. and Bueno, E. F. and Vecchi, Manuela},
year = {2016},
doi = {10.1103/PhysRevLett.117.091103},
journal   = {Physical Review Letters}
}