TY  - RPRT
TI  - Quantum Hall liquid, Josephson effect, and hierarchy in a double-layer electron system.
AU  - ZF Ezawa
AU  - A Iwazaki
PY  - 1993
DO  - 10.1103/physrevb.47.7295
UR  - https://pubmed.ncbi.nlm.nih.gov/10004727/
ID  - 10004727
ER  -