| NEN J. | |
| Astron. Astrophys., 457, 35-43 (2006) | |
| Optical spectroscopy of BL Lacertae objects. Broad lines, companion galaxies, and redshift lower limits. | |
| o | Fig.2: <[PFT95] PKS 0323+022 GN> (No. G2) added. Fig.4: <[SFT2006] 1ES 1440+122 GN> (Nos G1-G2). |
| Auth.: | SBARUFATTI B.+ |
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