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    Multiwavelength Monitoring of Active Galactic Nuclei

    Urry, C. M. / COSPAR | British Library Conference Proceedings | 1993

    AGN Unification and the X-ray Background

    Treister, E. / Urry, C. M. / Lira, P. et al. | British Library Conference Proceedings | 2005

    The Extended Chandra Deep Field-South Survey: Optical Properties of X-ray Detected Sources

    Virani, S. / Treister, E. / Urry, C. M. et al. | British Library Conference Proceedings | 2005

    Multiwavelength Properties of Blazars

    Urry, C. M. / International Council of Scientific Unions; Committee on Space Research; Scientific Commission E1.4 | British Library Conference Proceedings | 1998

    Long Term Variability of 3C279

    Grandi, P. / Maraschi, L. / Urry, C. M. et al. | British Library Conference Proceedings | 1995

    Ultraviolet Isotropic Emission from the Blazar 3C 279

    Pian, E. / Koratkar, A. / Maraschi, L. et al. | British Library Online Contents | 1998

    BeppoSAX Observations of the Radio Galaxy Centaurus A

    Grandi, P. / Urry, C. M. / Maraschi, L. et al. | British Library Conference Proceedings | 2000

    Long term variability of 3C279

    Grandi, P. / Maraschi, L. / Urry, C. M. et al. | NTRS | 1995