2011
2011 - Symposium, Chicago. Aspects on duration: the vulnerability of permanence in site-specific sound art in public space (Presented as a paper at Sound Art Theories 2011)

https://asastjerna.se/onewebmedia/Stjerna-Leonardo2013.pdf#:~:text=Times%20Square%20by%20Max%20Neuhaus%20is%20perhaps,first%20permanent%20sound%20installation%20in%20public%20space.