@article{article3546edeb,
title   = {Nonclassical correlation in NMR quadrupolar systems},
author = {Pinto, D. O. Soares and Céleri, L. C. and Auccaise, R. and Fanchini, F. F. and Azevêdo, Eduardo Ribeiro de and Maziero, J. and Bonagamba, Tito José and Serra, R. M.},
year = {2010},
doi = {10.1103/PhysRevA.81.062118},
journal   = {Physical Review A}
}