@article{63fc9d2cec54465ebaf6bccba4ab9a26,
title = "Redshift constraints for RGB 0136+391 and PKS 0735+178 from deep optical imaging",
keywords = "galaxies: active, galaxies: nuclei, BL Lacertae objects: individual: RGB 0136+391, BL Lacertae objects: individual: PKS 0735+178",
author = "K. Nilsson and T. Pursimo and C. Villforth and E. Lindfors and L.~O. Takalo and A. Sillanp{\"a}{\"a}",
year = "2012",
month = nov,
day = "1",
doi = "10.1051/0004-6361/201219848",
language = "Undefined/Unknown",
volume = "547",
pages = "A1",
journal = "Astronomy & Astrophysics",
issn = "0004-6361",
publisher = "EDP SCIENCES S A",
}