You can also go back to the CIM Mobile Robotics & Shape page.
A completed example (for a conference paper) is available, if this seems too confusing.
@inproceedings{Dudek1995b,
author = {Gregory Dudek and Kathleen Romanik and Sue Whitesides},
title = {Localizing a Robot with Minimum Travel},
booktitle = {Proc. Sixth ACM-SIAM Symposium of Discrete Algorithms},
year = {1995},
pages = {100-109},
month = {January},
address = {San Francisco, CA},
url={ftp://ftp.cim.mcgill.ca/pub/mobile-robot/paper:soda-localization-complexity.ps.Z},
description = {Theoretical work. Presents an
analysis of the difficulty of
global robot localization and an
efficient algorithm. Assumes a 2D polygonal environment.}
}