1. “Measuring geotourism: Developing and testing the geitraveler tendency scale (GTS)”;Boley;Journal of Travel Research,2011
2. L’interprétation de notre patrimoine. L’introduction du concept en France: bilan et perspectives In. Pralong, (Ed).;Bringer,1993
3. Environmental Inputs and Outputs in Ecotourism: Geotourism with a Positive Triple Bottom Line?;Buckley;Journal of Ecotourism,2003
4. The history of geo-conservation: an introduction;Burek,2008
5. From geoheritage to sustainable development: strategies and perspectives in the Beigua Geopark (Italy);Burlando;Geoheritage,2011