Yang, Wenxue, Zhao, Ke-Qing, Prior, Timothy J., Hughes, David L., Arbaoui, Abdessamad, Elsegood, Mark R. J., Redshaw, Carl, "Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes", Dalton transactions, 2016