Proceedings of second Pan American scientific congress : developing foreign markets for apples / by Moomaw, Clarence W.

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : catálogo de los peces perteneciente a la fauna de Guatemala / by Rodríguez Luna, Juan J.

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : the prevention and eradication of destructive animal diseases and the effect upon agriculture and the meat supply / by Ward, Archivald R.

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : actitud del gobierno en materia de bosques nacionales - relación de la selvicultura con el desarrollo futuro de Sud América... by Ehegoyen, Horacio

Subjects: “…RECURSOS NATURALES…”

Proceedings of the second Pan American scientific congress : es factible la reglamentación económica uniforme entre los diferentes países americanos para la prevención de la introd... by Etchegoyen, Francisco

Subjects: “…RECURSOS NATURALES…”

Proyecto argentino sobre sensores remotos / by Ferrer, Manuel Augusto

Subjects:

Aspectos conceptuales del régimen jurídico administrativo de los recursos naturales renovables / by Ojeda, Alba Raiza

Subjects:

Energía para el mundo subdesarrollado by Reddy, Amulya K. N.

Subjects:

Contabilidad ambiental : un valor monetario para cada recurso natural. by Laird, John

Subjects:

Casa tomada : economia y ambiente. by Sejenovich, Hector

Subjects:

IV Congreso nacional de administración pública : administración de los recursos naturales en la Argentina / by Cano, Guillermo

Subjects:

Proceedings of second Pan American scientific congress : the water requirement of plants as influenced by enviroment / by Briggs, Lyman J.

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : adaptation of methods of applying water to soils / by Harding, S. T.

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : conservation of the oil and gas resources of the Americans / by Arnold, Ralph

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : the poultry industry; its importance in agricultural development / by Lamon, Harry M.

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : forest problems and economic development in South America / by Zon, Raphael

Subjects: “…RECURSOS NATURALES…”

Proceedings of second Pan American scientific congress : South American forest resources and their relation to the world's timber supply / by Zon, Raphael

Subjects: “…RECURSOS NATURALES…”

Sistema de captación de agua para zonas áridas.

Subjects:

Recursos naturales y derecho agrario / by Carrozza, Antonio

Subjects:

El derecho, los recursos naturales y el derecho ambiental / by Pigretti, Eduardo A.

Subjects: