@article{PhysRevB.45.14225,
	Author = {N{\"o}ckel, J. U.},
	Journal = {Phys. Rev. B},
	Month = {Jun},
	Number = {24},
	Pages = {14225--14230},
	Title = {Conductance quantization and backscattering},
	Volume = {45},
	Year = {1992}}