Relativistic bulk motion in active galactic nucleiG. Ghisellini, L. Maraschi, P. Padovani et al.|The Astrophysical Journal|1993Cited by 545
Jets and accretion processes in active galactic nuclei: further cluesA. Celotti, G. Ghisellini, P. Padovani|Monthly Notices of the Royal Astronomical Society|1997Cited by 261
Radio-loud AGN and the extragalactic gamma-ray backgroundP. Padovani, A. Celotti, G. Ghisellini et al.|Monthly Notices of the Royal Astronomical Society|1993Cited by 121
Multiwavelength Monitoring of the BL Lacertae Object PKS 2155−304 in 1994 May. III. Probing the Inner Jet through Multiwavelength CorrelationsC. M. Urry, M. Tashiro, E. Pian et al.|The Astrophysical Journal|1997Cited by 116