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WO 9923117 | May 1999 | WO |
Entry |
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Tersoro and Williard, Cellulose and Cellulose Derivatives, Bikales and Segal, eds., Part V, Wiley-Interscience, New York, (1971), pp. 835-875. |
Kirk-Othmer, Encyclopedia of Chemical Technology, 4th Ed., vol. 23, p. 883, Wiley-Interscience Publication (1997). |