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2. A key issue in product life cycle: disassembly;Jovane;Annals of the CIRP,1993
3. Life Cycle Engineering – from methodology to enterprise culture, p. 3-22 in Hon, B. (ed.): Design and Manufacture for Sustainable Development 2003, ISBN 1 86058 427 6;Hauschild,2003
4. Resource and environmental profile analysis of nine beverage container alternatives;Hunt,1974
5. The Limits to Growth. A Report for the Club of Rome's Project on the Predicament of Mankind;Meadows,1972