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| Limits on energy dependence of the speede of light from a flare of the active galaxy PKs 2155-304 | 89 |
| November 2012 | December 2012 | January 2013 | March 2013 | April 2013 | May 2013 | |
| Limits on energy dependence of the speede of light from a flare of the active galaxy PKs 2155-304 | 20 | 19 | 9 | 3 | 8 | 3 |
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