H. Schnell, "Chemistry and Physics of Polycarbonates", 1964, Interscience Publishers, John Wiley & Sons, New York, London, Sydney, pp. 48-49, par. 1; FIG. III-3, p. 101, par. 6. |
Chemisches Zentralblatt, vol. 136, No. 37, Sep. 8, 1965, Akademie-Verlag GmbH, Berlin, Verlag Chemie GmbH, Weinheim; No. 2920, p. 11755, "Herstellung von Polycarbonaten" of JP A.S. 11534/1962. |
"Polycarbonate Resin", Nikkan Kogyo Shinbunsha, 1969, pp. 62-67 and English language translation. |
Chemistry and Physics of Polycarbonates, H. Schnell, John Wiley & Sons, 1964, pp. 44-51. |