@article{article93463386,
title   = {Evolution of the two-dimensional towards three-dimensional Landau states in wide parabolic quantum well},
author = {Sergio, C S and Gusev, Guennadii Michailovich and Quivy, Alain André and Lamas, T E and Leite, J. R. and Estibals, O and Portal, J C},
year = {2003},
doi = {10.1016/S0026-2692(03)00121-6},
journal   = {Microeletronics Journal}
}