1. US 8.399.721 (2009 DuPont); US 8.604.257 (2011 Honeywell); US 6.627.777 (2011); US 5.811.628 (1998); US 6.963.016 (2006 CSIR); Ertl/Knözinger/Schüth/Weitkamp Vol. 5 p.2487;
2. Schüddemage/Pieper p.201;
3. Correlation of Henry's Constants of Nonpolar and Polar Solutes in Molten Polymers Using Connectivity Indices