@article {hussein1998three,
	title = {Three-dimensional vibrations of layered piezoelectric cylinders},
	journal = {Journal of engineering mechanics},
	volume = {124},
	number = {11},
	year = {1998},
	note = {n/a},
	pages = {1294{\textendash}1298},
	publisher = {American Society of Civil Engineers},
	abstract = {n/a},
	author = {Manar Hussein, and Heyliger, Paul}
}
