Extragalactic Astronomy and Cosmology

Some results of geodetic measurements of local ties from the radio-telescope and satellite laser ranging stations to GPS markers in Crimean test area "Simeiz-Katsively"

Optical and X-ray variability of the Seyfert galaxies NGC 5548, NGC 7469, NGC 3227, NGC 4051, NGC 4151, Mrk 509, Mrk 79, Akn 564 and quasar 1E 0754

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