@article{articlee6e08966,
title   = {Optical suppression of hyperfine-changing collisions in a sample of ultracold sodium atoms},
author = {Muniz, Sérgio Ricardo and Marcassa, Luís Gustavo and Napolitano, Reginaldo de Jesus and Telles, G D and Weiner, J and Zílio, Sérgio Carlos and Bagnato, Vanderlei Salvador},
year = {1997},
doi = {10.1103/physreva.55.4407},
journal   = {Physical Review A}
}