@ARTICLE{
author={Nestorovic Tamara N,Marinkovic Dragan Z,Chandrashekar Gurudutt,Marinkovic Zoran,Trajkov Miroslav},
year={2012},
title={Implementation of a user defined piezoelectric shell element for analysis of active structures},
journal={FINITE ELEMENTS IN ANALYSIS AND DESIGN},
volume={52},
number={},
pages={11-22},
document_type={Article},
} 

