@conference {43,
	title = {Learning in the cloud: A new challenge for a global teaching system in optics and photonics},
	booktitle = {12th International Conference on Education and Training in Optics \& Photonics (ETOP 2013)},
	year = {2013},
	address = {Porto, Portugal},
	author = {Razia Sultana and Andreas Christ and Markus Feisst and Dan Curticapean}
}
@inbook {42,
	title = {Perspectives of mobile learning in optics and photonics},
	booktitle = {Optics Education and Outreach},
	volume = {SPIE Volume 7783},
	year = {2010},
	month = {08/2010},
	publisher = {SPIE-International Society for Optical Engine},
	organization = {SPIE-International Society for Optical Engine},
	address = {San Diego, California, United States},
	isbn = {9780819482792},
	doi = {10.1117/12.862918},
	author = {Dan Curticapean and Andreas Christ and Markus Fei{\ss}t}
}
