@article{bghosst-rgdu-95 , author = "Mark de Berg and Leonidas Guibas and Dan Halperin and Mark Overmars and Otfried Schwarzkopf and Micha Sharir and Monique Teillaud" , title = "Reaching a Goal with Directional Uncertainty" , journal = "Theoret. Comput. Sci." , volume = 140 , year = 1995 , pages = "301--317" , url = "ftp://ftp.cs.ruu.nl/pub/RUU/CS/techreps/CS-1994/1994-09.ps.gz" , succeeds = "bghosst-rgdu-93" , update = "97.11 bibrelex, 95.09 devillers+schwarzkopf" }