Description  Claims  Drawing  Cited references 

JP20060096285B   [0011] 
JP2010101892B   [0014] 
US6518580B1   [0014] 
US2011035151A1   [0018] 

Volcanoes muon imaging using Cherenkov telescopes   [0015] 
Osvaldo Catalano- 9th ASTRI Collaboration Meeting, 23-26 February 2015 Volcanoes muon imaging using the ASTRI Cherenkov prototype   [0016] 
Imaging very high energy gamma-ray telescopes   [0017]