@incollection{Arani12, author = {A. Ghorbanpour Arani and R. Kolahchi and A. A. Mosalaei Barzoki and A. Loghman and F. Ebrahimi}, title = {Finite Element Analysis of Functionally Graded Piezoelectric Spheres}, booktitle = {Finite Element Analysis}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Farzad Ebrahimi}, chapter = {3}, doi = {10.5772/52932}, url = {https://doi.org/10.5772/52932} }