TY - CHAP A1 - Hartogh, Theo A1 - Kehrer, Eva A1 - Wickel, Hans Hermann T1 - Music Geragogics - Making Music with the Elderly T2 - Damien Sagrillo & Dieter Ferring (Hrsg.): Music (Education) from the Cradle to the Grave Y1 - 2014 SN - 978-3-8236-1687-0 SP - 69 EP - 84 PB - Margraf Publishers CY - Weikersheim ER - TY - CHAP A1 - Linnemann, Gesa A1 - Brummernhenrich, B. A1 - Jucks, Regina ED - Bedijs, K. ED - Held, G. ED - Maaß, C. T1 - A matter of politeness? On the role of face-threatening acts in online tutoring T2 - Face work and social media Y1 - 2014 SN - 978-3-643-90435-5 SP - 423 EP - 440 PB - LIT CY - Münster ER -