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}
@article {1334,
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	year = {2011},
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	author = {Guerrieri, R. and Mencuccini, M. and Sheppard, L.J. and Saurer, M. and Perks,M.P. and Levy, P. and Sutton, M.A. and Borghetti, M. and Grace, J.}
}
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}
