@article{article21842844,
title   = {Origin of the heavy elements in HD140283: measurement of europium abundance},
author = {Mello Jr., C. Siqueira and Barbuy, Beatriz Leonor Silveira and Spite, M and Spite, F},
year = {2012},
doi = {10.1051/0004-6361/201220100},
journal   = {Astronomy & Astrophysics}
}