Kleinspehn, Anna Center for Lifespan Psychology, Max Planck Institute for Human Development, Max Planck Society;
https://refubium.fu-berlin.de/handle/fub188/865 (Any fulltext)
Kleinspehn, A. (2008). Goal-directed interpersonal action synchronization across the lifespan: A dyadic drumming study. PhD Thesis, Freie Universität Berlin.