Bolivia : state of the environment and natural resources. A field executive summary Author(s) Freeman, Peter H.
Impacto ambiental de la carretera planeada entre Manzanillo y Gandoca, Cantón de Talamanca, Provincia de Limón, Costa Rica : evaluación y recomendaciones Author(s) Freeman, Peter H. Salas, Jorge A. Sánchez, Eduardo
Desertification in the Sahel : diagnosis and proposals for IUCN's response Author(s) Freeman, Peter H. Rennie, J. K.
Ecological principles for economic development Author(s) Dasmann, Raymond Fredric Milton, John P. Freeman, Peter H.
