BL Lac Objects: Proceedings of a Workshop Held in Como, Italy, September 20–23, 1988 von Maraschi, L, Maccacaro, T, Ulrich, M. -H

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The X-ray spectra of the extragalactic sources in the Einstein extended medium sensitivity survey von Maccacaro, Tommaso, Gioia, Isabella M., Wolter, Anna, Zamorani, Giovanni, Stocke, John T.

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The luminosity function and cosmological evolution of X-ray-selected BL lacertae objects von MORRIS, S. L, STOCKE, J. T, GIOIA, I. M, SCHILD, R. E, WOLTER, A, MACCACARO, T, DELLA CECA, R

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The properties of X-ray-selected active galactic nuclei. I, Luminosity function, cosmological evolution, and contribution to the diffuse X-ray background von MACCACARO, T, DELLA CECA, R, GIOIA, I. M, MORRIS, S. L, STOCKE, J. T, WOLTER, A

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The relation between X-ray emission and rotation in late-type stars from the perspective of X-ray selection von Fleming, Thomas A., Gioia, Isabella M., Maccacaro, Tommaso

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A Medium Survey of the Hard X-Ray Sky with ASCA. II. The Source's Broadband X-Ray Spectral Properties von Della Ceca, Roberto, Castelli, GianMarco, Braito, Valentina, Cagnoni, Ilaria, Maccacaro, Tommaso

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The REX Survey: A Search for Radio-emitting X-Ray Sources von Caccianiga, Alessandro, Maccacaro, Tommaso, Wolter, Anna, Della Ceca, Roberto, Gioia, Isabella M

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The Einstein Extended Medium-Sensitivity Survey Second Epoch: Results for the Stars von Fleming, Thomas A., Molendi, Silvano, Maccacaro, Tommaso, Wolter, Anna

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The X-ray flux and spectral variability of the Einstein Extended Medium Sensitivity Survey AGN von Ciliegi, Paolo, Maccacaro, Tommaso

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Optical Spectroscopy of the Unusual Galaxy J2310-43 von Caccianiga, Alessandro, Maccacaro, Tommaso

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Luminosity functions of BL Lacertae objects von Wolter, Anna, Caccianiga, Alessandro, della Ceca, Roberto, Maccacaro, Tommaso

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The properties of X-ray selected active galactic nuclei. 3: The radio-quiet versus radio-loud samples von della Ceca, Roberto, Lamorani, Giovanni, Maccacaro, Tommaso, Wolter, Anna, Griffiths, Richard, Stocke, John T., Setti, Giancarlo

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The XMM-Newton Bright Serendipitous Survey: First Extragalactic Results von Maccacaro, Tommaso, Ceca, Roberto Della, Braito, Valentina, Caccianiga, Alessandro, Severgnini, Paola, Wolter, Anna

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No evidence for radio-quiet BL Lacertae objects von Stocke, John T., Morris, Simon L., Gioia, Isabella, Maccacaro, Tommmaso, Schild, R. E.

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Variability of the Seyfert galaxy Mkn 766 in the ROSAT all sky survey von MOLENDI, S, MACCACARO, T, SCHAEIDT, S

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The Properties of X-Ray--selected Active Galactic Nuclei. IV. The Local Optical Luminosity Function of Broad-Line Active Galactic Nuclei von della Ceca, Roberto, Zamorani, Giovanni, Maccacaro, Tommaso, Setti, Giancarlo, Wolter, Anna

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M dwarfs from the Einstein extended medium sensitivity survey von Fleming, Thomas A., Liebert, James, Gioia, Isabella M., Maccacaro, Tommaso

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Photometric properties of three X-ray selected clusters of galaxies von Garilli, Bianca, Bottini, Dario, Maccagni, Dario, Vettolani, Giampaolo, Maccacaro, Tommaso

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The properties of X-ray selected active galactic nuclei. II - A deeper look at the cosmological evolution von Della Ceca, Roberto, Maccacaro, Tommaso, Gioia, Isabella M., Wolter, Anna, Stocke, John T.

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The Einstein observatory medium sensitivity survey: New extragalactic results von Maccacaro, Tommaso

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