Surmann, H.H.SurmannNüchter, A.A.NüchterLingemann, K.K.LingemannHertzberg, J.J.Hertzberg2022-03-102022-03-102004https://publica.fraunhofer.de/handle/publica/346969en0050066296D SLAM - preliminary report on closing the loop in six dimensionsconference paper