@article {1236, title = {Shortest Paths for Finned, Winged, Legged and Wheeled Vehicles with Side-Looking Sensors}, journal = {International Journal of Robotics Research}, volume = {31}, year = {2012}, pages = {997-1017}, keywords = {Robotics}, doi = {10.1177/0278364912446005}, author = {P Salaris and L. Pallottino and A. Bicchi} }