G. Jóhannesson

Extended Analysis of the Spectrum of Mg III

E. Andersson, G. Jóhannesson, 1971 .

4f, 5f and 5g Energy Levels of Mg IV

T. Lundström, G. Jóhannesson, 1973 .

High-energy Gamma Rays from the Milky Way: Three-dimensional Spatial Models for the Cosmic-Ray and Radiation Field Densities in the Interstellar Medium

G. Jóhannesson, I. Moskalenko, T. Porter, 2017, The Astrophysical journal.

Galactic PeVatrons and helping to find them: Effects of galactic absorption on the observed spectra of very high energy γ-ray sources.

G. Rowell, I. Moskalenko, T. Porter, 2018, Physical review. D..

Deciphering Residual Emissions: Time-dependent Models for the Nonthermal Interstellar Radiation from the Milky Way

G. Jóhannesson, I. Moskalenko, T. Porter, 2019, The Astrophysical journal.