@Article{Supelec136,
author = {Delphine Wolfersberger and Nicolas Fressengeas and Jean Maufoy and Godefroy Kugel},
title = {{Laser beam self-focusing in photorefractive materials: optical limiting application}},
journal = {Journal of Nonlinear Optical Physics and Materials},
year = {2000},
volume = {9},
number = {4},
pages = {441-450},
month = {dec}
}