1. ICIS Chemical Business, 2008, August 4–17, p. 40 .
2. Acrylic Acid and Derivatives, in: Ullmann’s Encyclopedia, fourth ed., vol. A1, Wiley, 1987, p. 16.
3. Acrylic Acid and Derivatives, Kirk–Othmer Encyclopedia of Chemical Technology, fourth ed., vol. 1, Wiley, 1987, p. 287.
4. Liquid phase esterification of acrylic acid with 1-butanol catalyzed by solid acid catalysts;Chen;Appl. Catal. A: General,1999
5. A. Van Eikeren, M.T. Plaumann, VOCO GmbH, Dental Masking Product for Teeth and Gum, US Pat. 7789662, September 7, 2010.