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For some years now the General Directorate for the Protection of Nature of the Italian Ministry for the Environment, Land and Sea, and the Department of "Fisica Tecnica" of the "Sapienza" University of Rome have been collaborating on issues such as sustainable development in protected areas and new technologies concerning innovative low-impact materials to be used in areas of particularly high environmental sensitivity.
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Cinquepalmi et al. (2010) studied this question.
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