TY - CHAP U1 - Buchbeitrag A1 - Saatz, Inga A1 - Kienle, Andrea T1 - Mobile support for ad-hoc learning communities T2 - Scaling up learning for sustained impact : proceedings ; 8th European Conference on Technology Enhanced Learning, EC-TEL 2013, Paphos, Cyprus, September 17 - 21, 2013 Y1 - 2013 SP - 5 S1 - 5 PB - Springer CY - Berlin ER -