Paper in Nature (24 April 2008) On BL Lac

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PDF file of the paper

PDF file of the supplementary material (more details on the observations & calculations)

News & Views article by David Meier

Updated version of Figure 2 with the light curves (additional polarization data between the 2 flares & during the 2nd flare) - tried but failed to substitute for the version that appeared in the paper:
.ps file         .jpg file          .pdf file


Web page with information on the paper for the public