@book{27073,
	author = {Gu, Bo, ed.},
	title = {Laser 3D Manufacturing VI},
	publisher = {SPIE},
	year = {2019},
	series = {Proceedings of SPIE; V. 10909},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10909}
}