1. P.F. Lazarsfeld, The logic and mathematical foundation of latent structure analysis, In:S. A. Stouffer et al.,Measurement and Prediction, Princeton, N.Y., 1950, P. 362–412.
2. See for example:E.S. Cheaney, Technical forecasting as a basic for planning,ASME paper, 66-MD-67, presented at the Design Engineering Conference, Chicago, III, 9–12 May, 1966, ASME, N.Y., 1966;N.I. Komkov,Modeli programmno-tselevogo upravleniya, Nauka, Moskva, 1981, p. 58.
3. S.D. Haitun, Science studies and natural sciences: Which is primary, distribution or interdependence between variables,Scientometrics, 15 (1989) 45.
4. O. Helmer, N. Rescher, Epistemiology of the inexact sciences,Management Science, 5 (1959) 244.
5. See, for example:G.G. Yablonskaya, Razvitie indeksnykh raschetov v trudakh zarubezhnykh ekonomistov (do issledovanij I. Fischera) (The index theory before I. Fischer), In:Ekonomikomatematicheskie metody v zarubezhnoj statistike (Economical Mathematical Methods in Statistics), Statistika, Moskva, 1974, p. 229–238.