@article{articleb232d7f3,
title   = {Periodic doping in single crystal fibers grown by laser-heated pedestal growth technique},
author = {Andreeta, Marcello Rubens Barsi and Caraschi, Luis Carlos and Agulló-Rueda, F. and Hernandes, Antônio Carlos},
year = {2002},
doi = {10.1016/s0022-0248(02)01415-x},
journal   = {Journal of Crystal Growth}
}