The next efficiency revolution creating a sustainable materials economy
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Cyhoeddwyd: |
Washington, DC
Worldwatch Institute
c1994.
|
| Cyfres: | Worldwatch paper.
121 |
| Pynciau: |