@book{12809,
	author = {Society of Photo-Optical Instrumentation Engineers Conference and Neurgaonkar, Ratnakar R., ed. and The International Society for Optical Engineering      },
	title = {Photorefractive materials-phenomena and the related applications II},
	publisher = {The International Society for Optical Engineering},
	year = {1998},
	series = {SPIE proceedings series; v. 3554},
	address = {Washington}
}