@article{articleb05c9f47,
title   = {Influence of ionic interactions on the photoinduced birefringence of Poly[1-[4-(3-Carboxy-4-Hydroxyphenylazo)Benzene Sulfonamido]-1,2-Ethanediyl, Sodium Salt] films},
author = {Ferreira, Quirina and Gomes. Paulo J. and Raposo, Maria and Giacometti, José Alberto and Oliveira Junior, Osvaldo Novais de and Ribeiro, Paulo A.},
year = {2007},
doi = {10.1166/jnn.2007.621},
journal   = {Journal of Nanoscience and Nanotechnology}
}