Perry MA Bates RA Atherton MA and Wynn HP  ‘A finite element based formulations for sensitivity

Perry, M.A., Bates, R.A., Atherton, M.A. and Wynn, H.P. 2008 ‘A finite element based formulations for sensitivity studies of piezoelectric systems’, Smart Materials and Structures, Vol. 17, Number 1. DOI: 10.1088/0964-1726/17/01/015015.