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8/11/2019 201112 Material Lett.td 28
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http://www.sciencedirect.com/science/journal/0167577Xhttp://dx.doi.org/10.1016/j.matlet.2011.07.056mailto:[email protected]://dx.doi.org/10.1016/j.matlet.2011.07.0568/11/2019 201112 Material Lett.td 28
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http://localhost/var/www/apps/conversion/tmp/scratch_4/image%20of%20Fig.%E0%B2%808/11/2019 201112 Material Lett.td 28
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