Steward Observatory

RADIAL DISTRIBUTION OF STARS, GAS AND DUST IN SINGS GALAXIES. I. SURFACE PHOTOMETRY AND MORPHOLOGY

University of Cambridge, UK, Department of Physics, 2009, 0909.2648.

Multiwavelength Monitoring of the BL Lacertae Object PKS 2155–304 in 1994 May. III. Probing the Inner Jet through Multiwavelength Correlations

Paul S. Smith, C. Megan Urry, T. Takahashi, 1997, astro-ph/9704194.