@article{article6cbad758,
title   = {NMR investigation on the occurrence of Na species in porous carbons prepared by NaOH activation},
author = {Freitas, Jair Carlos Checon de and Schettino Junior, Miguel A. and Cunha, Alfredo G. and Emmerich, Francisco Guilherme and Bloise, Antonio Carlos and Azevêdo, Eduardo Ribeiro de and Bonagamba, Tito José},
year = {2007},
doi = {10.1016/j.carbon.2006.12.006},
journal   = {Carbon}
}