1. Chapter 9-Sintered Friction Materials, in Powder Metallurgy-Practice and Applications: (eds) Sands R L and Shakespeare C R, George Newnes Ltd., London (1966) 198.
2. Upadhyaya G S (ed), Sintered Metallic and Ceramic Materials, Preparation, Properties and Applications, John Wiley & Sons Ltd., UK (2000) 800.
3. Locker K D, Powder Metallurgy 35(4) (1992) 253.
4. Chan D, and Stachowiak G W, J. Automobile Eng. 218Part D (2004) 953.
5. Friction and Wear of Aircraft Brakes, in ASM Handbook, (eds) Tatarzicki Y T, and Webb R T, ASM International, Materials Park, Ohio, 18 (1992) 582.