Zhang, W., Liu, S., Sun, W. H., Hao, X., & Redshaw, C. (2012). Trimetallic yttrium N-(2-methylquinolin-8-yl)benzamides: Synthesis, structure and use in ring-opening polymerization (ROP) of ε-caprolactone. New journal of chemistry = Nouveau journal de chimie, 36(11), 2392-2396. https://doi.org/10.1039/c2nj40711f