@inbook{inbookafb17aef,
title   = {Comportamento dos elementos terras raras no intemperismo tropical},
author = {Formoso, M. L. L. and Melfi, Adolpho José and Kronberg, B I},
year = {1989},
publisher = {Cprm/Dnpm/Sbgq},
journal   = {Geoquímica dos elementos terras raras no Brasil}
}