25. | | Autor: Boisrobert, Anouck, 1985-- Rigaud, Louis, 1985-- | |
26. | | Autor: Georgescu-Roegen, Nicholas | |
27. | | Autor: Russel, James | |
28. | | Autor: Cosme, João | |
29. | | Autor: Goodall, Christopher Frank William, 1955 | |
30. | | Autor: Noblet, Jean-François | |
31. | | Autor: Grundmann, Emmanuelle | |
32. | | Autor: Ramade-Masson, Isabelle | |
33. | | Autor: Bennett, Jane | |
34. | | | |
35. | | | |
36. | | | |