TY  - RPRT
TI  - Shallow-impurity states in semiconductor quantum-well structures.
AU  - Wm Liu
AU  - JJ Quinn
PY  - 1985
DO  - 10.1103/physrevb.31.2348
UR  - https://pubmed.ncbi.nlm.nih.gov/9936044/
ID  - 9936044
ER  -