Langmuir-blodgett (lb) films from lignins - Constantino, C J L; Juliani, L P; Botaro, V R; Balogh, Débora Terezia; Pereira, M R; Ticianelli, Edson Antonio; Curvelo, Antonio Aprigio da Silva; Oliveira Junior, Osvaldo Novais de (International Conference on Organized Molecular Films, 1995)