| 1. | Potencialidades turísticas da Serra da Lousã / José Joaquim das Neves PaulAutor: Paul, José Joaquim das Neves Data Publicação: 2006 |  | |
| 2. | Développement durable du tourisme dans les déserts - lignes directrices à l'intention des décideurs / Organisation Mondiale du TourismeData Publicação: 2006 Col.autor: OMT COTA(S): 11631 |  | |
| 3. | Mapping landscape values and development preferences: a method for tourism and residential development planning / Gregory BrownAutor: Brown, Gregory | | |
| 4. | Touring cultural e paisagístico / Turismo de PortugalData Publicação: 2006 Col.autor: Portugal. Turismo de Portugal, I. P. COTA(S): 11517-09.b; 11517-09; 11517-09.a | | |
| 5. | Geotourism: a new form of tourism utilising natural landscapes and based on imagination and emotion / Jean-Pierre PralongAutor: Pralong, Jean-Pierre COTA(S): RE-259 | | |