1. What does it mean to be green?;Kleiner;Harvard Business Review,1991
2. It's not easy being green;Walley;Harvard Business Review,1994
3. Remanufacturing;Lund;Technology Review,1984
4. Air France consolidates maintenance operations;Sparaco;Aviation Week & Space Technol.,1993
5. World's first automobile disassembly plant;Redd;BioCycle: J. Waste Recycling,1992