Koopmans, L., & Wambsganß, J. (2009). Strong gravitational lensing as a probe of gravity, dark-matter and super-massive black holes. Arxiv.
Chicago Style (17th ed.) CitationKoopmans, Leon, and Joachim Wambsganß. "Strong Gravitational Lensing as a Probe of Gravity, Dark-matter and Super-massive Black Holes." Arxiv 2009.
MLA (9th ed.) CitationKoopmans, Leon, and Joachim Wambsganß. "Strong Gravitational Lensing as a Probe of Gravity, Dark-matter and Super-massive Black Holes." Arxiv, 2009.
Warning: These citations may not always be 100% accurate.