
1.		San Lorenzo course: Uma aventura na ria / Ramiro de Jesus Autor: Jesus, Ramiro de
2.		4 senses, natural experiences in Centro de Portugal / TCP/ARPT Centro de Portugal Data Publicação: 2010 Col.autor: TCP/ARPT Centro de Portugal
3.		The carbon cost of polar bear viewing tourism in Churchill, Canada / Jackie Dawson [et al.] Resp- Sec.: Dawson, Jackie Stewart, Emma J. Lemelin, Harvey Scott, Daniel
4.		Golfe & Ambiente - Biodiversidade e campos de golfe / Sílvia de Oliveira Vau Autor: Oliveira Vau, Sílvia de
5.		Wildlife tourism as a common pool resource issue: enabling conditions for sustainability governance / Susan A. Moore, Kate Rodger Autor: Moore, Susan A. Coautor: ; Rodger, Kate
6.		Estarreja - Património Natural / Rui Brito; Trad. Sofia Garcia