Publication
The Interpretation of a 2175A Absorption Feature in the Gravitational Lens Galaxy SBS0909 + 532 at z = 0.83
Comparison of recent spectra by V. Motta et al. (V. Motta et al.: Astrophys. J. 574, 719 725) of two images of a distant gravitationally lensed quasar (z = 1.38...