@book{29800,
	author = {Kessel, David, ed.},
	title = {Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XVIII},
	publisher = {SPIE},
	year = {2009},
	series = {Proceedings of SPIE; V. 7164},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7164}
}