Zhang, X., Fan, X., Fan, W., & Zhou, X. (2014). Study of Anionic Ring-Opening Polymerization and Macromolecular Structure Characterization for Poly(ethylene oxide)-poly(tetrahydrofuran)-poly(ethylene oxide) Triblock Copolymer. Asian Journal of Chemistry, 26(19), 6391–6395. https://doi.org/10.14233/ajchem.2014.16385