@article{article625aee89,
title   = {Determination of ytterbium in digesta and animal faeces by electrothermal atomic absorption spectrometry},
author = {Lima, Eder Claudio and Krug, Francisco José and Nóbrega, Joaquim de Araújo and Fernandes, Elisabete A. De Nadai},
year = {1997},
journal   = {Journal of Analytical Atomic Spectrometry}
}