@article{article758f199c,
title   = {Zr/Hf in carbonatites and alkaline rocks: new data and a re-evaluation},
author = {Andrade, Fábio Ramos Dias de and Möller, Peter and Dulski, Peter},
year = {2002},
doi = {10.25249/0375-7536.2002323361370},
journal   = {Revista Brasileira de Geociências}
}