Environmental education in the pan-Amazon : first phase report under the implementation plan of the pilot project for incorporation of environmental education in the curricula of the UNAMAZ members 1991
From genes to ecosystems : a research agenda for biodiversity : report of a IUBS-SCOPE-Unesco workshop, Harvard Forest, Petersham, MA, USA, June 27-July 1, 1991 1991 Solbrig, Otto Thomas |
Cuadernos de pueblos y plantas : fuentes para la aplicación de la etnobotánica a la conservación de la naturaleza y al desarrollo comunitario
People and plants handbook : sources for applying ethnobotany to conservation and community development
