@book{30730,
	author = {, ed.},
	title = {Periodic Structures, Gratings, Moire Patterns, and Diffraction Phenomena I},
	publisher = {SPIE},
	year = {1981},
	series = {Proceedings of SPIE; V. 0240},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0240}
}