>related sites and friends (to be continued)<

> akademie der künste, berlin: archiv bertoncini
!beware! not registered in its entirety yet, please contact me for any details

> fondazione isabella scelsi, rome: fondo bertoncini
!beware! not registered in its entirety yet! please contact me for any details

> revue circuit canada - portrait bertoncini

> john heineman/nice guys collective: vimeo videos of mario and more

> hugh davies: neue instrumente und klangskulpturen

> nuova consonanza - soci fondatori

> michael iber: version m.b. cifre

> edition rz: lp

> edition rz: cd cage

> die schachtel: book & cd

> aracne editrice: book

> sands zine: il gruppo d'improvvisazione nc

> sands zine: ARPE EOLIE

> sands zine: INTERVIEW 2009

> neue zeitschrift für musik: bertoncini

> nmz: schlagen, streichen, bürsten

> inventionen: geschichte des festivals

> centro ricerche musicali (crm)

> federazione cemat italia

> peter sedgley

> zeitkratzer

> reinhold friedl

> ulrich krieger

> walter zimmermann

> walter branchi

> terry riley

> John Cage

> Ennio Morricone

> Simone Beneventi

> Simone Pappalardo

> Franz Tröger

> Katharina Bleier

> blauwerke berlin

> absolut MEDIEN GmbH