TY - JOUR TI - Observation of fine time structures in the cosmic proton and helium fluxes with the alpha magnetic spectrometer on the international space station PY - 2018 AU - Aguilar, M. AU - Bueno, E. F. AU - Lordello, V. D. AU - Mikuni, V. M. AU - Vecchi, Manuela T2 - Physical Review Letters SN - 0031-9007 DO - 10.1103/PhysRevLett.121.051101 UR - https://doi.org/10.1103/PhysRevLett.121.051101 PP - College Park VL - 121 IS - 5 SP - 051101-1-051101-7 ER -