Bostrom, N., Parenthetical Word In Structure of the Global Catastrophe: Risks of Human Extinction in the XXI Century by Alexei Turchin. A Series: Dialogues about the Future, Vol 2. Eds. I. V. Sledzevsky and Valery Prajd (2008): p. Posted on 16 December 201516 December 2015 Posted in Uncategorised. Share on Facebook | Share on Twitter