@article{706643, author = {Ehrhardt, Matthias, and Koprucki, Thomas,}, url = {http://library.usi.edu/record/706643}, title = {Multi-band effective mass approximations advanced mathematical models and numerical techniques / [electronic resource] :}, doi = {https://doi.org/10.1007/978-3-319-01427-2}, recid = {706643}, pages = {1 online resource.}, }