1. | | Autor: Toutain, Caroline | |
2. | | Autor: Soromenho-Marques, Viriato, 1957- | |
3. | | Autor: Meadows, Donella H. | |
4. | | | |
5. | | | |
6. | | Autor: Budyko, Michael I. Ronov, Alexander B. Yanshin, Alexander L. | |
7. | | Data: Ago-Set 1987 | |
8. | | Data: Out. 1987 | |
9. | | Autor: Herraiz, Andrés S. | |
10. | | Autor: Torres, Isabel | |
11. | | Autor: A., F. Data: Set-Out 1978 | |
12. | | Autor: Sousa, Alfredo e | |