O’LOUGHLIN, Martin, 2011, String theory and space-time singularities. V : [na spletu]. Objavljeni znanstveni prispevek na konferenci. 2011. p. 360–362. [Dostopano 8 april 2025]. Pridobljeno s: http://www.cpt.univ-mrs.fr/~cosmo/ICGAC10/Files/ProceedingsHWithDebut.pdf