@book{26798,
	author = {Allan, Graham, ed.},
	title = {Interactive Paper},
	publisher = {SPIE},
	year = {1997},
	series = {Proceedings of SPIE; V. 3227},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3227}
}