1. 1) T.E. Graedel and R.B. Allenby : Industrial Ecology, Prentice Hall, NJ, U.S., p.412 (1995)
2. 2) A. Wolman : The Metabolism of Cities, Scientific American, Vol.213, No.3, pp.178-193 (1965)
3. 3) M. Fischer-Kowalski : Society′s Metabolism—The Intellectual History of Materials Flow Analysis, Part I, 1860-1970, Journal of Industrial Ecology, Vol.2, No.1, pp.61-78 (1998)
4. 4) R.U. Ayres and A.V. Kneese : Production, Consumption, and Externalities, The American Economic Review, Vol.59, No.3, pp.282-297 (1969)
5. 5) A. Adriaanse, S. Bringezu, A. Hammond, Y. Moriguchi, E. Rodenburg, D. Rogich and H. Schuetz : Resource Flows—The Material Basis of Industrial Economies, World Resource Institute, Washington DC, U.S., (1997)