Liao, Anping, Leilei Qiao, Rimei He, Ping Lan, Lihong Lan, Yanyue Lu, and Mei Li. “NdCl3-Schiff Base Complex As Catalyst for Formation of Water-Blown Semi-Rigid Polyurethane Foam”. Asian Journal of Chemistry 27, no. 9 (May 26, 2015): 3361–3364. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_9_46.