Bartelmann, M., & Leyb, A. (1995). Gravitational lensing of quasi-stellar objects by their damped Lyα absorbers. Arxiv.
Chicago Style (17th ed.) CitationBartelmann, Matthias, and Avraham Leyb. "Gravitational Lensing of Quasi-stellar Objects by Their Damped Lyα Absorbers." Arxiv 1995.
MLA (9th ed.) CitationBartelmann, Matthias, and Avraham Leyb. "Gravitational Lensing of Quasi-stellar Objects by Their Damped Lyα Absorbers." Arxiv, 1995.
Warning: These citations may not always be 100% accurate.