Elementos para la interpretación del parque nacional de Timanfaya : un manual para los guías de turismo 2002 Centellas Bodas, Aurelio |
Tourist attitudes and use impacts in Maasai Mara National Reserve : proceedings of a workshop organized by Wildlife Conservation International at Maasai Mara National Reserve, March 1991 1992 Gakahu, C. G. |
National parks and tourism : proceedings of a seminar held in Sydney, 6 may 1988 1989 Bateson, Paul | Nyman, Sandy | Sheppard, David |
Directory of national parks and sanctuaries in Himachal Pradesh : management status and profile 1990 Singh, Shekhar | Kothari, Ashish | Pande, Pratibha |
Messel : an insight into the history of life and of the earth 1992 Schaal, Stephan | Ziegler, Willi |
Les aires du patrimoine communautaire : une nouvelle catégorie d'aires protégées permettant aux collectivités locales de sauvegarder leur patrimoine naturel et culturel dans le cadre d'un développement durable 2002 Sylla, Seydina Issa | Larivière, Jean |
An assessment of investments since January 1992 in African elephant conservation and other African wildlife and protected area conservation projects 1996 Lapuyade, Sandrine |