The Citing articles tool gives a list of articles citing the current article. The citing articles come from EDP Sciences database, as well as other publishers participating in CrossRef Cited-by Linking Program. You can set up your personal account to receive an email alert each time this article is cited by a new article (see the menu on the right-hand side of the abstract page).
The Intrinsically X‐Ray‐weak Quasar PHL 1811. II. Optical and UV Spectra and Analysis
Karen M. Leighly, Jules P. Halpern, Edward B. Jenkins and Darrin Casebeer The Astrophysical Journal Supplement Series 173(1) 1 (2007) https://doi.org/10.1086/519768
The Intrinsically X‐Ray Weak Quasar PHL 1811. I. X‐Ray Observations and Spectral Energy Distribution
Karen M. Leighly, Jules P. Halpern, Edward B. Jenkins, et al. The Astrophysical Journal 663(1) 103 (2007) https://doi.org/10.1086/518017
The blueshift of the [O III] emission line in narrow-line Seyfert 1 galaxies