1. Perceiving light rays above and below the horizon of a black hole in Schwarzschild spacetime. (21st January 2015) Authors: Siwek, A; Kuśmierz, B; Gusin, P; Masajada, J; Radosz, A Journal: Journal of physics Issue: Number 574(2015) Page Start: 012060 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗