D. Ivanov

1. Indications of Proton-Dominated Cosmic-Ray Composition above 1.6 EeV
   2009/10/31 by R. U. Abbasi, T. Abu-Zayyad, T. Abu‐Zayyad +77 · 276 citations
   Physics and Astronomy · #Air shower #Astrophysics #Astrophysics and Cosmic Phenomena #Composition (language) #Cosmic ray #Dark Matter and Cosmic Phenomena #Hadron #Neutrino Physics Research #Nuclear physics #Observatory #Physics #Proton #Ultra-high-energy cosmic ray #X-ray #astro-ph.HE
2. The complex variability of blazars: time-scales and periodicity analysis in S4 0954+65
   2021/04/30 by C. M. Raiteri, M. Villata, V. M. Larionov +69 · 40 citations
   Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Cosmic Phenomena #Blazar #Dark Matter and Cosmic Phenomena #Gamma ray #Neutrino Physics Research #Physics #Scale (ratio) #astro-ph.GA #astro-ph.HE