@article{article26144129,
title   = {Optical spectroscopy of 'EU POT.2+' ions coupled to c'N POT.-' And oc'N POT.-' Molecular ions in k'CL'},
author = {Yasuoka, F M M and Castro Neto, Jarbas Caiado de and Nunes, Luiz Antônio de Oliveira},
year = {1991},
journal   = {Physical Review B}
}