@article{article6b4be14a,
title   = {Spontaneous birefringence in layer-by-layer films of chitosan and azo dye sunset yellow},
author = {Santos, D S and Bassi, A and Misoguti, Lino and Ginani, M F and Oliveira Junior, Osvaldo Novais de and Mendonça, Cleber Renato},
year = {2002},
journal   = {Macromolecular Rapid Communications}
}