@article{articlebdb1523c,
title   = {Precise control of superluminal and slow ligth propagation by transverse phase modulation},
author = {Guedes, I. and Misoguti, Lino and Zílio, Sérgio Carlos},
year = {2006},
doi = {10.1364/oe.14.006201},
journal   = {Optics Express}
}