Ecotourism snorkelling routes at Marinha Beach (Algarve) Rangel Oliveira C. Pita J.M.S. Gonçalves L. Leite C. Costa K. Erzini Publication Journal: Journal of Coastal Research Year of Publication: 2011 Issue: SPEC. ISSUE 61 Pagination: 274-281 Identifiers Other Numbers: 11100799 Alternative titles DOIGoogle ScholarBibTeXRIS Locators