@inproceedings{nicpdensenormalbasedpointcloud,
  title = {NICP: Dense Normal Based Point Cloud Registration},
  author = {Jacopo Serafin and Giorgio Grisetti},
  year = {2015},
  booktitle = {IROS 2015 9},
  url = {https://ieeexplore.ieee.org/document/7353455},
}