@ARTICLE{r.montero2015past,presentand,
TITLE = {Past, Present and Future of Robotic Tunnel Inspection},
JOURNAL = {Automation in Construction},
VOLUME = {59},
NUMBER = {1},
PAGES = {99 - 112},
YEAR = {2015},
AUTHOR = {R. Montero, J.G. Victores, S. Martinez, A. Jardon, C. Balaguer}
}