1. Androutsos, D. A., Plataniotis, K.N. and Venetsanopulos, A.N.: Directional Detail Histogram for Content Based Image Retrieval DSP97 13th Int. Conf. On Digital Signal Processing, Proc. July 2–4, 1997, Santorini, pp. 225–228.
2. Bandemer, H. and Nather, W.: Fuzzy Data Analysis, Kluwer Academic Publishers, 1992.
3. Cox, I.J. and Willfong, G.T.: Autonomous Robot Vehicles, Springer-Verlag, 1990.
4. Elfes, A.: Occupancy Grids: A Stochastic Spatial Representation for Active Robot Perception. In: Iyengar, S. S., and A. Elfes (eds.) Autonomous Mobile Robots: Perception, Mapping, and Navigation, IEEE Computer Society Press, 1991, pp. 60–71.
5. Ficet-Cauchard, V., Porquet, C. and Revenu, M.: An Interactive Case-Based Reasoning System for the Development of Image Processing Applications. In: B. Smyth and P. Cunningham (eds.) Advances in Case-Based Reasoning, Proc of EWCBR-98, Lecture Notes In Artificial Intelligence, 1488, Springer, 1998, pp. 437–447.