Rheological study on poly-D(-)(3-hydroxybutyrate) and its blends with poly(ethylene oxide) - Choi, H. J.; Park, S. H.; Yoon, J. S.; Lee, H-S.; Choi, S. J. (Wiley-Blackwell, 1995)
http://dx.doi.org/10.1002/pen.760352010
Keywords: V; ZL; U