REFERENCES
- Kostelanetz, Richard (2003) ‘Conversing with Cage’, in Eugen Blumeet al. (eds.) Black Mountain – ein interdisziplinäres Experiment, 2nd Edition, New York and London: Spector Books, Leipzig.
- Küng, Chantal (2015) other classrooms, https://otherclassrooms. wordpress.com, accessed 7 September 2016.)