@book{23289,
	author = {Piché, Michel, ed.},
	title = {Advances in Optical Beam Characterization and Measurements},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3418},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3418}
}