1. BASF, 2012. Corporate website. Retrieved from http://www.catalysts.basf.com/p02/USWeb-Internet/catalysts/en/content/microsites/catalysts/prods-inds/process-catalysts/sulfuric-acid on May 23, 2012.
2. Meeting Future Emission Challenges with Topsøe's New VK-701 LEAP5™ Sulphuric Acid Catalyst;Christensen,2012
3. SO2 emission reduction by Topsøe's new VK-701 LEAP5™ catalyst;Christensen;Sulfuric Acid Today,2011
4. Improving sulfuric acid plant performance with MECS' new GEAR catalysts;Felthouse;Sulfuric Acid Today,2011
5. Conductivity, thermal analysis, and phase diagram of the system Cs2S2O7–O5;Folkmann;Inorg. Chem.,1991