1. Proceedings on BB 85-CD, V51;M. Krause,2003
2. Schickert, M., Krause, M., Müller, W.: Ultrasonic imaging of concrete elements using SAFT reconstruction. J. Mater. Civ. Eng. 15(3), 235–246 (2003)
3. Mayer, K., Marklein, R., Langenberg, K.J., Kreutter, T.: Three-dimensional imaging system based on the Fourier transform synthetic aperture technique. Ultrasonics 28, 241 (1990)
4. Langenberg, K.-J., Mayer, K., Marklein, R.: Nondestructive testing of concrete with electromagnetic and elastic waves: Modeling and imaging. Cem. Concr. Compos. 28, 370 (2006)
5. Langenberg, K.-J., Brandfaß, M., Hannemann, R., Hofmann, C., Kaczorowski, T., Kostka, J., Marklein, R., Mayer, K., Pitsch, A.: Inverse scattering with acoustic, electromagnetic and elastic waves as applied in nondestructive evaluation. In: Wirgin, A. (ed.) Wavefield Inversion. Springer, Vienna (1999)