@article{article7a123239,
title   = {Optical interband transitions in single and periodically delta-doped 'GA''AS' samples},
author = {Bernussi, A A and Brum, J A and Motisuke, P and Basmaji, Pierre and Siu Li, Máximo and Hipólito, Oscar},
year = {1990},
doi = {10.4028/www.scientific.net/MSF.65-66.67},
journal   = {Materials Science Forum}
}