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<a href="https://plu.mx/plum/a/?doi=10.16182%2Fj.issn1004731x.joss.201804009" data-popup="right" data-size="large" class="plumx-plum-print-popup" data-site="plum" data-hide-when-empty="true">Soft Shadow Rendering Algorithm Based on GPU&amp;#39;s Shadow Line</a>

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