Population, resources, environment : issues in human ecology 1972 Ehrlich, Paul R. | Ehrlich, Anne H. |
L'alimentation en forêt tropicale : interactions bioculturelles et perspectives de développement 1996 Hladik, C. M. (Claude Marcel) | Hladik, Annette | Pagezy, Hélène | Linares, Olga F. | Koppert, Georgius J. A. | Froment, Alain |
Priorities for a new century. Agriculture, food and rural policies in the European Union. Conference 1994