TeV γ-ray observations of the Crab and Mkn 501 during moonshine and twilight - Kranich, Daniel; Mirzoyan, R.; Petry, D.; Raubenheimer, B. C.; Aharonian, Felix A.; Akhperjanian, A. G.; Barrio, J. A.; Beck, C.; Bernlöhr, Konrad; Bojahr, H.; Contreras, J. L.; Cortina, J.; et al. (Astroparticle physics, 1999)
Gesehen am 18.11.2020