1.		Tourism and water use: Supply, demand, and security. An international review / Stefan Gössling [et al] Resp- Sec.: Gössling, Stefan Peeters, Paul Hall, Michael C. Céron, Jean-Paul Dubois, Ghislain Lehmann, La Vergne Scott, Daniel COTA(S): RE-1193
2.		Assessing tourism's global environmental impact 1900–2050 / Stefan Gössling, Paul Peeters Autor: Gössling, Stefan Coautor: ; Peeters, Paul COTA(S): RE-926