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 -