Patrick McGarey David J. Yoon Tim Y. Tang François Pomerleau Timothy D. Barfoot Field Deployment of the Tethered Robotic eXplorer to Map Extremely Steep Terrain. 303-317 2017 FSR https://doi.org/10.1007/978-3-319-67361-5_20 conf/fsr/2017 db/conf/fsr/fsr2017.html#McGareyYTPB17