214 citations · 397 across the 10 of their papers we have counts for
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W. Brinkmann, S. Sembay, R. G. Griffiths +6
The BL Lac object Mrk 421 was observed on May 25, 2000 during the XMM - Newton CAL/PV phase. The high throughput of the X-ray telescopes and the spectral capabilities of the instru…