1. Bell, D. A.: Information Theory and its Engineering Applications.—Pitman and Sons, London, 1956.
2. Björkman, L., Björkman, M., Bresky, A., Enebo, L., Rennerfelt, J.: Experiment on the culture ofChlonella for food purposes.—Acta polytechn.176: 1–18, 1955.
3. Feinstein, A.: Foundations of Information Theory.—McGraw-Hill, New York, 1958.
4. Fey, P.: Informationstheorie.—Akademie-Verlag, Berlin, 1963.
5. Grintzesco, J.: Recherches expérimentales sur la morphologie et la physiologie deScenedesmus acutus Meyen.—Bull. Herb. Boiss. 2, ser.2: 217–264, 1902.