9. Robertson CG, Monat JE, Wilkes GL, J. Polym. Sci. B: Polym. Phys., 37(15), 1931 (1999)
10. Hu B, Ottenbrite RM, Siddiqui JA, “Biaxially Oriented Poly(Ethylene 2,6-Naphthalene) Films: Manufacture, Properties and Commercial Applications”, in Modern Polyesters, Scheirs J, Long TE, Editors, Wiley, Chichester, Chap 10 (2003).
11. Wunderlich B, Thermal Analysis of Polymeric Materials, Springer, Berlin, p 610 (2005).