A QSO survey via optical variability and zero proper motion in the M 92 field. II. Follow-up spectroscopy and properties of the QSO sample (Q68841893)
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scientific article published in January 2001
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A QSO survey via optical variability and zero proper motion in the M 92 field. II. Follow-up spectroscopy and properties of the QSO sample |
scientific article published in January 2001 |