Characterization of etched ion tracks in CR39 and makrofol - Delgado, A O; Rizzutto, Márcia de Almeida; Lima, A R; Silva, A A R da; Carmignotto, Marco Antonio Pannunzio; Tabacniks, Manfredo Harri; Added, Nemitala (Nuclear Instruments & Methods in Physics Research Section B - Beam Interactions with Materials and Atoms, 2007)