@article{article334e71b9,
title   = {Focusing surface plasmons on 'Er POT.3+' ions through gold planar plasmonic lenses},
author = {Rivera, V. A. G and Ferri, F. A. and Nunes, Luiz Antônio de Oliveira and Zanatta, Antonio Ricardo and Marega Junior, Euclydes},
year = {2012},
doi = {10.1007/s00339-012-7374-8},
journal   = {Applied Physics A}
}