@misc{indiciaee035a798982e, title = {Shallow-impurity states in semiconductor quantum-well structures.}, author = {Wm Liu and JJ Quinn}, year = {1985}, doi = {10.1103/physrevb.31.2348}, url = {https://pubmed.ncbi.nlm.nih.gov/9936044/}, note = {Source identifier: 9936044} }