Metals evaluation in ring trees by microfluorescence analysis with synchrotron radiation ('mü'-SRXRF) - Moreira, S.; Vives, Ana Elisa Sirito de; Silva, R. M. C.; Medeiros, J. G.; Tomazello Filho, Mário; Barroso, Regina Cely Rodrigues; Zucchi, Orghêda Luiza Araújo Domingues; Brienza, Sandra Maria Boscolo (International Conference on Nuclear Analytical Methods in the Life Sciences, 2005)