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Citation: M. Santos-lleo et al., Monitoring of the optical and 2.5-11.7 mu m spectrum and mid-IR imaging ofthe Seyfert 1 galaxy Mrk 279 with ISO, ASTRON ASTR, 369(1), 2001, pp. 57-64

Authors: Sergeev, SG Pronik, VI Sergeeva, EA Malkov, YF

Citation: Sg. Sergeev et al., Markarian 6 nucleus since 1992, ASTROPH J S, 121(1), 1999, pp. 159-169

Authors: Peterson, BM Barth, AJ Berlind, P Bertram, R Bischoff, K Bochkarev, NG Burenkov, AN Cheng, FZ Dietrich, M Filippenko, AV Giannuzzo, E Ho, LC Huchra, JP Hunley, J Kaspi, S Kollatschny, W Leonard, DC Malkov, YF Matheson, T Mignoli, M Nelson, B Papaderos, P Peters, J Pogge, RW Pronik, VI Sergeev, SG Sergeeva, EA Shapovalova, AI Stirpe, GM Tokarz, S Wagner, RM Wanders, I Wei, JY Wilkes, BJ Wu, H Xue, SJ Zou, ZL

Citation: Bm. Peterson et al., Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XV. Long-term optical monitoring of NGC 5548, ASTROPHYS J, 510(2), 1999, pp. 659-668

Authors: Sergeev, SG Pronik, VI Sergeeva, EA Malkov, YF

Citation: Sg. Sergeev et al., Complex variability pattern in NGC 4151 II. Variable absorption features, ASTRON ASTR, 341(3), 1999, pp. 740-750

Authors: Sergeev, SG Pronik, VI Sergeeva, EA Malkov, YF

Citation: Sg. Sergeev et al., A link between the H beta equivalent width, profile width, BLR size, and optical luminosity from a small sample of well-studied active galactic nuclei, ASTRONOM J, 118(6), 1999, pp. 2658-2667