@ARTICLE{j.g.victores2011robot-aidedtunnelinspection,
TITLE = {Robot-aided tunnel inspection and maintenance system by vision and proximity sensor integration},
JOURNAL = {Automation in Construction},
VOLUME = {20},
NUMBER = {5},
PAGES = {629 - 636},
YEAR = {2011},
AUTHOR = {J.G. Victores, S. Martinez, A. Jardon, C. Balaguer}
}