Effect of Catalyst on the Stereoregularity of the Polymer Formed from Propene Sulfide Ivin, K. J. ; Lillie, E. D. ; Sigwalt, P. ; Spassky, N. Abstract Publication: Macromolecules Pub Date: May 1971 DOI: 10.1021/ma60021a019 Bibcode: 1971MaMol...4..345I