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- g. oertel (ed.), polyurethane handbook, hanser gardner publications, 2nd edition, 1994
- j. h. saunders and k. c. frisch, polyurethanes: chemistry and technology, wiley interscience, 1962
- m. szycher, szycher’s handbook of polyurethanes, crc press, 2nd edition, 2017
- air products technical bulletin, ¡°low fog catalysts for automotive foams¡±, 2022
- innovation report, ¡°multi-functional catalysts in flexible foams¡±, 2023
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