Bibtex reference:
@article{Pomerleau:2012, author = {Pomerleau, Fran{\c c}ois and Liu, M. and Colas, Francis and Siegwart, Roland}, title = {{Challenging data sets for point cloud registration algorithms}}, journal = {The International Journal of Robotics Research}, year = {2012}, volume = {31}, number = {14}, pages = {1705--1711}, month = dec }