Portelles, J. Fuentes, J. Raymond, O. Heiras, J. Cruz, M. Ostos, C. Arizaga, G. G. C. Siqueiros, J. M. <br/><br/>
Influence of the sintering conditions on the microstructural, dielectric and piezoelectric properties of La doped KNNTa ceramics 

 -  2014 
 - Vol. 31, No. 1, pp. 10-14 
 = Revista Cubana de Fisica