JDR Volume 86(4), November 2019

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JDR volume 86(3), August 2019

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JDR volume 86(2), May 2019

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JDR volume 86(1), February 2019

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JDR volume 85(4), November 2018

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JDR volume 85(3), August 2018

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JDR volume 85(2), May 2018

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JDR volume 85(1), February 2018

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