Spectral Energy Distribution of Markarian 501: Quiescent State vs. Extreme OutburstV. A. Acciari, L. Fortson, W. Benbow et al.|University of North Texas Digital Library (University of North Texas)|2010Cited by 1
Multiwavelength Observations of 1ES 1959+650 in 2003, One Year After the Strong 2002 OutburstK. Gutierrez, P. CHARLOT, H.M. Badran et al.|HAL (Le Centre pour la Communication Scientifique Directe)|2005Cited by 0