9Cicero J A, Dorgan J R, Dec S F, etal. Phos-phite stabilization effects on two - step melt - spun fibers of polylactide [J]. Polymer Degradation and Stability, 2002, 78 (1) : 95.
10Fambri L. Pegoretti A, etal. Biodegrachble fibers of pojl( L- Lactic Acid)produced by melt spinning[J ]. Polymer, 1997, 38(1) :79 - 85.
