1. Kahle, M., Illich, B. and Serexhe, B. Erkundung del Untergrundes del Kathedrale von Autun mit dem Radarverfahren. Universität Karlsruhe, Jahrbuch 1990
2. Einsatz des Radarverfahrens zur Erkundung von Struktur und Zustand historischen Mauerwerks;Kahle;Bautechnik,1992
3. Padaratz, I. J. and Forde, M. C. Influence of antenna frequency on impulse radar surveys of concrete structures. In Proceedings of the 6th International Conference on Structural Faults and Repair, vol. 2, 1995, pp. 331–336
4. The application of the method of convolution to the simulation of the response of masonry arch bridges to ground probing radar;McCavitt;Journal of Nondestructive Testing and Evaluation,1991
5. Ulriksen, C. P. Application of impulse radar to civil engineering. Report, Department of Civil Engineering, Lund University, Sweden, 1982