Hollowood, T., Shore, G., & Stanley, R. J. (2009). The refractive index of curved spacetime II: QED, Penrose limits and black holes. Journal of High Energy Physics, 2009(08), pp. -089. doi:10.1088/1126-6708/2009/08/089
Chicago Style CitationHollowood, Timothy, Graham Shore, and Ross J. Stanley. "The Refractive Index of Curved Spacetime II: QED, Penrose Limits and Black Holes." Journal of High Energy Physics 2009, no. 08 (2009): -089.
MLA CitationHollowood, Timothy, Graham Shore, and Ross J. Stanley. "The Refractive Index of Curved Spacetime II: QED, Penrose Limits and Black Holes." Journal of High Energy Physics 2009.08 (2009): -089.
Warning: These citations may not always be 100% accurate.