A. Larcher, K. Lee, and S. Meignier. Acoustics, Speech and Signal Processing (ICASSP), 2016 IEEE International Conference on, page 5095--5099. IEEE, (2016)
H. Vieler, A. Lechler, and J. Grimm. ISR 2016 : 47th International Symposium on Robotics Robotics in the era of digitalisation, page 222-227. VDE Verlag, (June 2016)