@book{31863,
	author = {Panchenko, Vladislav, ed.},
	title = {Russia National Conference: Industrial Lasers and Laser Material Processing},
	publisher = {SPIE},
	year = {1994  },
	series = {Proceedings of SPIE; V. 2257},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/2257}
}