1. Allais, M.F. (1959), “Should the laws of gravitation be reconsidered? Part I: abnormalities in the motion of a paraconical pendulum on an anisotropic support”, Aerospace Eng., Vol. 18 No. 46.
2. Caravnicova, I.I. (1962), I.T.D. WOL. Varo, Vol. 31 No. 38, p. 15.
3. Hall, A.D. and Fagen, R.E. (1956), “Definition of systems”, General Systems, Vol. 1, pp. 18‐28.
4. AN APPLICATION OF SYSTEMS ANALYSIS IN SOCIOLOGY
5. EXISTENCE OF MAJOR DISEASES AND MODELING OF EPIDEMIOLOGIC TRANSITION: A GENERAL SYSTEMS THEORETIC APPROACH