1. Parkes Alexander of Birmingham, Artist in the County of Warwick, Brit. Patent, 1,147, 25 Mar 1846; Brit. Patent, 1,313, 07 November 1865.
2. Multiphase Polymers: Blends and Ionomers, ACS Symposium Series No. 395, Washington, DC,1989
3. Polymer Alloys and Blends;Utracki,1989
4. Two-phase polymer systems,1991
5. Commercial Polymer Blends;Utracki,1998