Portelles, J., Fuentes, J., Rodríguez, E. L., Soto, L., Raymond, O., García, V., Heiras, J., AND Siqueiros, J.M.. "Experimental Arrangement for Measuring the Resonance Curves of Radial Mode at High Temperatures" Revista Cubana de Física [Online], Volume 27 Number 2 (5 August 2010)