Yield ratios in particle-"gama" coincidence as a spectroscopic tool - Wiedemann, Kenia Teodoro; Oliveira, José Roberto Brandão de; Alcantara-Nunez, J A; Seale, Wayne Allan; Ribas, Roberto Vicençotto; Cybulska, E. W.; Silveira, M A G; Medina, Nilberto Heder (Brazilian Journal of Physics, 2005)