- Closed-form Solutions for the Free Vibration Problem of Multilayered Piezoelectric Shells,
M. D'Ottavio, D. Ballhause, B. Kröplin and E. Carrera
Paper 12 from CCP: 79, ISBN 0-948749-95-4 (2004)
- Considerations on Higher-Order Finite Elements for Multilayered Plates based on a Unified Formulation,
M. D'Ottavio, D. Ballhause, T. Wallmersperger and B. Kröplin
Paper 35 from CCP: 79, ISBN 0-948749-95-4 (2004)