1. Popper, K. R., Nature, 178, 381 (1956); 177, 538 (1956); 179, 1296 (1957); 181, 402 (1958); Brit. J. Phil. Sci., 8, 151 (1957).
2. Prigogine, I., Introduction to Thermodynamics of Irreversible Processes, 3 (1955).
3. Prigogine, I., Introduction to Thermodynamics of Irreversible Processes, 16 (1955).
4. Blum, Harold F., Time's Arrow and Evolution, 15 (1935). (Similar statements are to be found, for example, on pages 16, 24, 33, 201.) Compare also Planck, M., A Survey of Physics, 17, 27 (1925).
5. Schroedinger, E., What is Life? 72 (1944).