@conference {spyropoulou2014clarifying,
	title = {Clarifying the digital content output formats for mobile learning in higher education},
	booktitle = {Interactive Mobile Communication Technologies and Learning (IMCL), 2014 International Conference on},
	year = {2014},
	pages = {139{\textendash}146},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Spyropoulou, Natalia and Karathanasis, Ioannis and Christos J. Pierrakeas and Kameas, Achilles}
}
