@inproceedings{Rupp:Bipolar-SHE,
 author={Rupp, K. and Jungemann, C. and Bina, M. and J{\"{u}}ngel, A. and Grasser, T.},
 title={{Bipolar Spherical Harmonics Expansions of the Boltzmann Transport Equation}},
 booktitle={Proceedings of the 17th International Conference on Simulation of Semiconductor Processes and Devices},
 year={2012},
 pages={19 - 22},
}