Dong, W.-K. (2013) “Synthesis and Supramolecular Structure of 5,5’-Dihydroxy-2,2’-[1,1’-(propane-1,3-diyldioxydinitrilo)dimethylidyne]diphenol”, Asian Journal of Chemistry, 25(8), pp. 4398–4400. doi: 10.14233/ajchem.2013.13990.