1. Why do we recycle?;Ackerman,1997
2. Implementing industrial ecology and design for environment practices: Lawrence Livermore National Laboratory;Allenby;Total Quality Environmental Management,1996
3. Quality costs—What and how;American Society for Quality Control,1971
4. The quality environment curve;Bergstrom;Production,1995
5. Unternehmensleitbild;Bosch-Siemens Hausgeräte,1989