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Patiño-Álvarez, V.M.; Dzib, S.A.; Lobanov, A.; Chavushyan, V.: Is there a non-stationary γ-ray emission zone 42 pc from the 3C 279 core? aap 630, A56, S. A56 (2019)

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Petrov, L.; Kovalev, Y.Y.; Plavin, A.V.: A quantitative analysis of systematic differences in the positions and proper motions of Gaia DR2 with respect to VLBI. mnras 482 (3), S. 3023 - 3031 (2019)

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Pierre Auger Collaboration; including Biermann, P.L.: Multi-Messenger Physics with the Pierre Auger Observatory. arXiv e-prints, arXiv:1904.11918, S. arXiv:1904.11918 (2019)

Pierre Auger Collaboration; including Biermann, P.L.: Measurement of the average shape of longitudinal profiles of cosmic-ray air showers at the Pierre Auger Observatory. jcap 2019 (3), 018, S. 018 (2019)

Pierre Auger Collaboration; including Biermann, P.L.: Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory. jcap 2019 (10), 022, S. 022 (2019)