por Egan, Dave [editor] | Howell, Evelyn A [editor] | Meine, Curt [prologuista] | Society for Ecological Restoration International.
por Walter, Heinrich, 1898- [autor] | Walter, Heinrich, 1898-. Ökologischen Systeme der Kontinente (Biogeosphäre) | Perez Goday, José María [traductor].