TY  - RPRT
TI  - Leonhardt and piwnicki reply:
AU  - U Leonhardt
AU  - P Piwnicki
PY  - 2000
DO  - 10.1103/physrevlett.85.5253
UR  - https://pubmed.ncbi.nlm.nih.gov/11102235/
ID  - 11102235
ER  -