@InCollection{ahrns98book, author = {I. Ahrns and J. Bruske and G. Hailu and G. Sommer}, booktitle = {Soft Computing for Intelligent Robotic Systems}, title = {Neural fuzzy techniques in sonar-based collision avoidance}, publisher = {Physica-Verlag (Springer)}, year = 1998, editor = {L.C. Jain and T. Fukuda}, series = {Studies in Fuzziness and Soft Computing}, pages = {185-214} }