1. R. Dudek, H. Walter, B. Michel, P. Alpern, R. Schmidt, R. Tilgner, Studies on parameters for popcorn cracking, in: Proceedings of Polytronic, Potsdam (2001) 140–148.
2. On the mode II popcorn effect in thin packages;Alpern;IEEE Transactions on CPT,2002
3. Sonic testing of grinding wheels;Decneut,1970
4. Determination of Young's modulus of dental composites: a phenomenological model;Braem;Journal of Materials Science,1987
5. On the measurement of the elastic modulus of a vitreous coating on a titanium substrate by the resonance method;van Landuyt,1995