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	title = {Changes in vegetation and soil characteristics in coastal sand dunes along a gradient of atmospheric nitrogen deposition},
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	year = {2004},
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}
@article {637,
	title = {Changing nutrient budget of sand dunes: consequences for the nature conservation interest and dune management. 1 },
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	year = {2002},
	month = {March 2002. },
	author = {Jones, M.L.M. and Reynolds, B. and Stevens, P.A. and Norris, D.A.}
}
