@book{29789,
	author = {Dougherty, Thomas, ed.},
	title = {Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy VI},
	publisher = {SPIE},
	year = {1997},
	series = {Proceedings of SPIE; V. 2972},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/2972}
}