@article{article3531bd7e,
title   = {The quest for three-color entanglement: experimental investigation of new multipartite quantum correlations},
author = {Cassemiro, Katiuscia Nadyne and Villar, A S and Martinelli, Marcelo and Nussenzveig, Paulo Alberto},
year = {2007},
doi = {10.1364/oe.15.018236},
journal   = {Optics Express}
}