@article{articlebdeffdcb,
title   = {Influence of photon-assisted energy transfer on the nonlinear refractive index of 'GD''AL''O IND.3': 'CR POT.3+'},
author = {Gouveia, E A and Guedes, I. and Castro Neto, Jarbas Caiado de and Zílio, Sérgio Carlos},
year = {1992},
doi = {10.1103/PhysRevB.46.14387},
journal   = {Physical Review B}
}