1. Chemical Market Intelligence & Analysis;Parmar,2012
2. http://www.sabic.com/corporate/en/newsandmediarelations/news/20110427.aspx, April 27, 2011.
3. National Historic Chemical Landmarks of the American Chemical Society, http://acswebcontent.acs.org/landmarks/landmarks/soh/soh_process.html.
4. Oxidation and Ammoxidation of Propylene over Bismuth Molybdate Catalyst