@book{24816,
	author = {Coüasnon, Bertrand, ed.},
	title = {Document Recognition and Retrieval XXI},
	publisher = {SPIE},
	year = {2013},
	series = {Proceedings of SPIE; V. 9021},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9021}
}