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<title>Extended modified cooking of Southern pine with polysulfide: effects on pulp yield and physical properties</title>
<url>https://www.library.sk/arl-sldk/sk/detail-sldk_un_cat-r026696-Extended-modified-cooking-of-Southern-pine-with-polysulfide-effects-on-pulp-yield-and-physical-prop/</url>
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