Stable isotopes as ecological tracers: an efficient method for assessing the contribution of multiple sources to mixtures

by M. N. Bugalho, P. Barcia, M. C. Caldeira, J. O. Cerdeira
Published 2008-09-01

Using n-alkanes to estimate diet composition of herbivores: a novel mathematical approach

by P. Barcia, M.N. Bugalho, M.L. Campagnolo, J.O. Cerdeira
Published 2007-01-01