1. Allen, D.M., The relationship between variable selection and data augmentation and a method for prediction, Technometrics, 1974, vol. 16, pp. 125–127.
2. Armand, A.D., Resistance (homeostatics) of geographic systems to different external influences, in Ustoichivost’ geosistem (Stability of Geosystems), Moscow: Nauka, 1983, pp. 14–32.
3. Armand, D.L., Preobrazhenskii, V.S., and Armand, A.D., Natural complexes and modern analysis methods, Izv. Akad. Nauk SSSR, Ser. Geogr., 1969, no. 5, pp. 5–16.
4. Ashby, W.R., An Introduction to Cybernetics, London: Oxford Univ. Press, 1956.
5. Bazilevich, N.I., Grebenshchikov, O.S., and Tishkov, A.A., Geograficheskie zakonomernosti struktury i funktsionirovaniya ekosistem (Geographical Principles of Structure and Functioning of Ecosystems), Moscow: Nauka, 1986.