@inproceedings{inproceedings56ca277f,
title   = {Density of states of on-axis hydrogenic impurities in a 'GA''AS' / 'GA''AL''AS' quantum-well wire of circular cross section},
author = {Hipólito, Oscar and Leao, S A and Silva, A. F.},
year = {1993},
publisher = {Usp/Ufscar},
booktitle   = {Brazilian School of Semiconductor Physics}
}