@article{elsebergcomparison, title={Comparison of nearest-neighbor-search strategies and implementations for efficient shape registration}, author={Elseberg, J. and Magnenat, S. and Siegwart, R. and N{\"u}chter, A.}, journal={Journal of Software Engineering for Robotics (JOSER)}, pages={2--12}, volume={3}, number={1}, year={2012}, issn={2035--3928} }