SANATANI, S. Black Holes and Time Warps : Einstein’s Outrageous Legacy. Indian Science Cruiser, [S. l.], v. 15, n. 2, p. 51–52, 2001. Disponível em: http://www.informaticsjournals.com/index.php/ISC/article/view/42686. Acesso em: 11 may. 2024.