Zhou, Yu-Qing, Juan Huang, Ping-Fang Han, and Xiao-Ping Lv. “Study on Preparation and Characterization of Cross-Linked B-Cyclodextrin Polymers With Hexamethylene Diisocyanate in Ultrasonic”. Asian Journal of Chemistry 24, no. 5 (January 2, 2012): 1991–1995. Accessed July 4, 2024. https://asianpubs.org/index.php/ajchem/article/view/8937.