"Quantum Theory, the Church-Turing Principle and the Universal Quantum Computer" (PDF). Proceedings of the Royal Society of London A. 400: 97. Bibcode:1985RSPSA.400...97D. doi:10.1098/rspa.1985.0070. ↑ Constructor Theory, A Conversation with David Deutsch, Interview at 'Edge' , 22 October 2012 ↑ Deutsch, D. and Marletto, C.; "Why we need to reconstruct the universe", New Scientist, 24 May 2014, Pages 30-31. ↑ Constructor theory of information David Deutsch, Chiara Marletto Proc.