1. Polakowski, N.H.; E.J. Ripling: Strength and Structure of Engineering Materials, Prentice-Hall, Englewood Cliffs, New Jersey (1966) 360.
2. Landolt-Börnstein, Neue Serie, Gruppe III, Band 11, SpringerVerlag, Berlin (1979) 9 und 39.
3. Overview No. 80
4. Overview No. 92: Materials and shape
5. Criteria for selecting the components of composites