@book{30991,
	author = {Wehrspohn, Ralf, ed.},
	title = {Photonics for Solar Energy Systems V},
	publisher = {SPIE},
	year = {2014},
	series = {Proceedings of SPIE; V. 9140},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9140}
}
