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  1. g. odian, principles of polymerization, 4th edition, wiley, 2004.
  2. j. h. saunders, k. c. frisch, polyurethanes: chemistry and technology, part i & ii, interscience publishers, 1962.
  3. m. szycher, szycher’s handbook of polyurethanes, crc press, 1999.
  4. d. randall, s. lee, the polyurethanes book, wiley, 2002.

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