J. Storrs Hall, “An encyclopedia of self-replicating machines,” Foresight Update, No. 54, 5 August 2004, p. 8. http://www.MolecularAssembler.com/KSRM/HallReview.htm
J. Storrs Hall, “An encyclopedia of self-replicating machines,” Foresight Update, No. 54, 5 August 2004, p. 8. http://www.MolecularAssembler.com/KSRM/HallReview.htm