@book{29195,
	author = {Fisher, Robert, ed.},
	title = {Nonlinear Optics II},
	publisher = {SPIE},
	year = {1991},
	series = {Proceedings of SPIE; V. 1409},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1409}
}