1. C. Six and F.Richter, Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, 2012, vol. 20, pp. 63–82
2. Isocyanates, Organic. Kirk-Othmer Encyclopedia of Chemical Technology, Wiley, New York, 3rd edn, 1982, vol. 19, pp. 28–62
3. Z. Wang , Comprehensive Organic Name Reactions and Reagents, Wiley, New York, 2009, pp.1772–1774
4. Polyurethanes: Versatile Materials and Sustainable Problem Solvers for Today’s Challenges
5. Blocked isocyanates III: Part A. Mechanisms and chemistry