NAIR, R. Roger Penrose with Ranjit Nair. Summerhill IIAS Review, [S. l.], v. 4, n. 1, p. 3–6, 2020. Disponível em: http://journal.iias.ac.in/ojs/index.php/summerhill/article/view/655. Acesso em: 20 apr. 2026.