@book{32508,
	author = {Liu, Shih-Chi, ed.},
	title = {Smart Structures and Materials 1999: Smart Systems for Bridges, Structures, and Highways},
	publisher = {SPIE},
	year = {1999},
	series = {Proceedings of SPIE; V. 3671},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3671}
}