Characterization of the InSTEC's low-background gamma spectrometer for environmental radioactivity studies. - Rizo, Oscar Díaz; Pino, Neivy López; Rodríguez, Katia D'Alessandro; Reyes, Henry; Palomino, Cármen Ródenas; Cabal, Fátima Padilla; Arado López, Juana Orquídea; Casanova Díaz, Amalia Ofelia; Rudnikas, Alina Gelen; Arozamena, José Gómez (Nucleus, 2009)