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- h. ulrich, chemistry and technology of polyols for polyurethanes, rapra technology limited, 2018.
- m. szycher, szycher’s handbook of polyurethanes, crc press, 2nd edition, 2019.
- j. k. gillham, ¡°foaming and gelation in polyurethane systems¡±, journal of cellular plastics, vol. 45, no. 3, 2009.
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