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@INPROCEEDINGS{,
author = {Fernández-Madrigal, Juan-Antonio and Gonzalez-Jimenez, Javier},
month = may,
title = {Hierarchical Graph Search for Mobile Robot Path Planning},
booktitle = {IEEE International Conference on Robotics and Automation (ICRA'98)},
year = {1998},
location = {Leuven (Belgium)}
}