188 CIV BAL QSOs from SDSS DR7
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https://b2find.eudat.eu/dataset/87e9eb36-0783-5a12-bb8b-0215fbbdf734
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资源简介：
The variability of broad absorption lines (BALs) is investigated for a sample of 188 BAL quasars (QSOs) (z>1.7) with at least two epoch observations from the Sloan Digital...
