Now published:

Frercks Hartwig: Effektives Lernen mit Inner Coaching. Coaches guide for a varied and versatile training. „Here is the coach supporter, companion and facilitator of learning processes“. Bezzenberger-Verlag, Heppenheim, August 2016

Here the complete article Effektives Lernen, Neue Wege im Tennistraining and more useful informations in „Tennistraining Junior 4/2016“.