1. The structure, functions, and mechanical properties of keratin;McKittrick;JOM,2012
2. Hair—the most sophisticated biological composite material;Popescu;Chemical Society Reviews,2007
3. Wool from animal sources;Zahn;Biopolymers Online,2005
4. Chapter 6 - Mechanical Processing for Yarn Production;Hunter,2002
5. Chapter 7 – Chemical Processes for Enhanced Appearance and Performance;Simpson,2002