25. B.J. Hiley: Particles, fields, and observers, Volume I The Origins of Life, Part 1 Origin and Evolution of Life, Section II The Physical and Chemical Basis of Life, pp. 87–106 (PDF 4 Mart 2016 tarihinde Wayback Machine sitesinde arşivlendi.)
25. B.J. Hiley: Particles, fields, and observers, Volume I The Origins of Life, Part 1 Origin and Evolution of Life, Section II The Physical and Chemical Basis of Life, pp. 87–106 (PDF 4 Mart 2016 tarihinde Wayback Machine sitesinde arşivlendi.)