1. Dyckhoff, H., Souren, R., Keilen, J. (2004a): The Expansion of Supply Chains to Closed Loop Systems — A Conceptual Framework and the Automotive Industry’s Point of View, in: Dyckhoff, H., Lackes, R., Reese, J. (eds.): Supply Chain Management and Reverse Logistics, Springer, Berlin et al.: p. 13–34.
2. Dyckhoff, H., Keilen, J., Souren, R. (2004b): Konzeptionelle Grundlagen kreislaufgerechter Produktinnovationen in der Automobilindustrie (Fundamental Concepts of Closed-Loop Product Innovations in the Automotive Industry), in: Schwarz, E. (ed.): Nachhaltiges Innovationsmanagement (Sustainable Innovation Management, Gabler, Wiesbaden: p. 361–380.
3. Fleischmann, M., Bloemhof-Ruwaard, J. M., Beullens, P., Dekker, R. (2004): Reverse Logistics Network Design, in: Dekker, R., Fleischmann, M., Inderfurth, K., Van Wassenhove, L. (eds.): Reverse Logistics — Quantitative Models for Closed-Loop Supply Chains, Springer, Berlin et al.: p. 65–94.
4. Fleischmann, M., van Nunen, J. A. E. E., Gräve, B. (2004): Integrating Closed-Loop Supply Chains and Spare-Parts Management at IBM, in: Interfaces, (33): 44–56.
5. German Law Governing the Disposal of End-of-life Vehicles (End-of-life Vehicle Act-AltfahrzeugG) of 21. June 2002 (Federal Law Gazette I number 41 page 2199 of 28 June 2002), Federal Ministry 28 June 2002 for the Environment, Natur Conservation and Nuclear Safety Division WA II 3.