PKS 1424+240

VERITAS/Fermi-LAT: R. Ong et al., Atel #2084 (15 Jun 2009)
              V.A. Acciari et al., ApJ 708, 100-106 (2010)

MAGIC: M. Teshima et al., ATel #2098 (24 Jun 2009)
              J. Aleksic et al., arXiv:1401.0464 [astro-ph]