6. Huang SJ, “An overview of Biodegradable Polymers and Biodegradation of Polymers”, in Degradable Polymers, Scott G, Editor, Kluwer Academic Publishers, Dordrecht, 17 (2002)
7. Hirata M, Kimura Y, “Structure and properties of Stereocomplex-Type Poly(lactic acid)”, in Poly(lactic acid), Auras R, Lim L, Selke S, Tsuji H, Editors, Weily, New Jersey, 59 (2010)