Détail du congrès:
Congrès: National Symposium on the Economics of Outdoor Recreation (1974/11; New Orleans LA, USA) (1974/11) |
Documents disponibles provenant de ce congrès (1)

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congrès/colloque
J. Hughes, Editeur scientifique ; R. Duane Lloyd, Editeur scientifique ; USDA United States Department of Agriculture, Washington (USA). Forest Service ; National Symposium on the Economics of Outdoor Recreation (1974/11; New Orleans LA, USA) | Washington [USA] : USDA | 1977