海量图书期刊资源，随时随地畅享阅读乐趣
Encyclopedia of Materials: Science and Technology || PES and PEEKBurg, K.J.L. · 2001
Change in stiffness and effect of orientation in degrading polylactide filmsK.J.L. Burg; M. LaBerge; S.W. Shalaby · 1998
