@article{article9be09aeb,
title   = {Spectroscopic studies of photobleaching and photoproduct of the photosensitizer photogen during intense illumination},
author = {Menezes, P. F. C. and Melo, C. A. S. and Bagnato, Vanderlei Salvador and Imasato, Hidetake and Perussi, Janice Rodrigues},
year = {2004},
journal   = {Laser Physics}
}