@book{93323,
	author = {Yan, Bin, and Xiang, Yong,},
	title = {Improving image quality in visual cryptography / \},
	publisher = {Springer,},
	year = {2020},
	address = {Singapore :},
	url = {https://link-springer-com.libraryumpsa.idm.oclc.org/book/10.1007/978-981-13-8289-5}
}