@incollection{book/Yue09,
   AUTHOR = {Yue, W. and Franco, J.},
    TITLE = {Avoiding Unnecessary Calculations in Robot Navigation},
BOOKTITLE = {Proc. World Congress on Engineering and Computer Science 2009},
   SERIES = {Lecture Notes in Engineering and Computer Science},
   EDITOR = {S.I. Ao, C. Douglas, W.S. Grundfest, and J. Burgstone},
   VOLUME = {},
     YEAR = {2009},
    PAGES = {718-723},
PUBLISHER = {Newswood Limited, Hong Kong},
     ISBN = {978-988-18210-2-7}
}