@article{Ban-Wal-Aqu-Bon-2013,
    author={Biswanath Banerjee and Timothy F. Walsh and Wilkins Aquino and 
           Marc Bonnet },
    title={Large scale parameter estimation problems in frequency-domain 
           elastodynamics using an error in constitutive equation 
           functional },
    doi={10.1016/j.cma.2012.08.023 },
    journal={Comp. Meth. Appl. Mech. Eng. },
    year={2013 },
    volume={253 },
    pages={60--72},
}