1. S.K. Ghosh, Functional Coatings and Microencapsulation: A General Perspective, WILEY-VCH Verlag GmbH & Co. KGaA, 2006, book sample, http://www.wiley-vch.de/books/sample/352731296X_c01.pdf (1.7.2011)
2. Wu Y., Liu H., Shen B., Liu L., Hu W.,Tribol. Int.39(2005) 553-559
3. F.L. Mathews, R.D. Rawlings, Composite materials: engineering and science, 2nd edn. Cambridge: Woodhead Publishing Limited, 1999
4. Zhao Q., Liu Y., Abel E.W.,Mater. Chem. Phys.87(2004) 332-335