%0 Journal Article %T An Efficient Snell's Law Method for Optimal-Path Planning across Multiple Two-Dimensional, Irregular, Homogeneous-Cost Regions %A Rowe, Neil C. %A Richbourg, R.F. %J The International Journal of Robotics Research %V 9 %N 6 %P 48-66 %@ 0278-3649 %D 1990-12-01 %I Sage Publications %~ DeepDyve