Correlated intense x-ray and TeV activity of Markarian 501 in 1998 June - Sambruna, Rita M.; Aharonian, Felix A.; Krawczynski, Henric; Akhperjanian, A. G.; Barrio, J. A.; Bernlöhr, Konrad; Heinzelmann, G.; Hemberger, M.; Hermann, G.; Heusler, A.; Hofmann, Werner; Konopelko, Alexander; et al. (The astrophysical journal, 2000)
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