ESR dating at K and X band of northeastern Brazilian megafauna - Kinoshita, Angela; Barreto, Alcina Magnólia Franca; Almeida, José Augusto Costa de; Figueiredo, Ana Maria; Nicolucci, Patrícia; Graeff, Carlos Frederico de Oliveira; Baffa, Oswaldo (Applied Radiation and Isotopes, 2005)