@book{32002,
	author = {Wong, Ping Wah, ed.},
	title = {Security and Watermarking of Multimedia Contents},
	publisher = {SPIE},
	year = {1999},
	series = {Proceedings of SPIE; V. 3657},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3657}
}