@article{article5290d14d,
title   = {Determination of thermal parameters and the optical gap of poly (3-butylthiophene) films by photopyroelectric spectroscopy},
author = {Melo, W. L. B. and Pawlicka, Agnieszka and Sanches, Rosemary and Mascarenhas, Sérgio and Faria, Roberto Mendonça},
year = {1993},
doi = {10.1063/1.354840},
journal   = {Journal of Applied Physics}
}