| Notes and references |
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Wheeller, B. (1994), "Egotourism, sustainable tourism and the environment - a symbiotic, symbolic or shambolic relationship", in Seaton, A. (Eds),Tourism: The State of the Art, Wiley & Sons, Chichester, .
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Waldstein, E.A. (1991), "Environmental policy and politics", in Davies, P.J., Waldstein, E.A. (Eds),Political issues in America, Manchester University Press, Manchester, .
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