@inproceedings{inproceedings15058de3,
title   = {Exciton states in quantum wells and superlattices},
author = {Degani, Marcos Henrique and Chitta, Valmir Antonio and Cohen, Abraham M. and Marques, Gilmar E.},
year = {1987},
booktitle   = {Escola Brasileira de Física de Semicondutores}
}