@article{articlea44e8de7,
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, J C and Zílio, Sérgio Carlos},
year = {1992},
journal   = {Physical Review B}
}