Analysis of beers from Brazil with synchroton radiation total reflection X-ray fluorescence - Moreira, S.; Vives, Ana Elisa Sirito de; Zucchi, Orghêda Luiza Araújo Domingues; Jesus, E. F. O. de; Nascimento Filho, Virgilio Franco do; Brienza, Sandra Maria Boscolo (Journal of Radioanalytical and Nuclear Chemistry, 2006)