Moreira, L., Ponce, L., Valdés, C., Corvo, F., Arronte, M., de Posada, E., Pérez, Y., Flores, T., Ravelo, I., Cruzata, O., Lambert, B., Cabrera, J. L., Borges, A., Ponce, A., AND Hernández, L. C.. "Libs Portable System for the Determination of Chemical Elements Present in the Deterioration of Patrimonial Buildings" Revista Cubana de Física [Online], Volume 28 Number 2 (15 December 2011)