| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Atmospheric Carbon Dioxide and the Global Carbon Cycle | 978-1-4102-2374-6 (1-4102-2374-4) | 2005 |
| Direct Effects of Increasing Carbon Dioxide on Vegetation | 978-1-4102-2223-7 (1-4102-2223-3) | 2005 |
D.O. · D S · Department O U. S. Department of Energy · O's · O/U · U. S.