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| active galactic nuclei (1) |
| all-sky survey (1) |
| bl lacertae objects: general (1) |
| bl-lacertae objects (1) |
| complete sample (1) |
| energy gamma-rays (1) |
| fermi-lat blazars (1) |
| galaxies: active (1) |
| gamma rays: galaxies (1) |
| large-area telescope (1) |