engGrilli, Mario5th International Conference on High-Energy AcceleratorsAccelerators and Storage RingsComitato Naz. Ener. Nucl.1966http://cds.cern.ch/record/107822Conferencehttp://cds.cern.ch/record/107822oai:cds.cern.ch:107822Frascati, Italy9 - 16 Sep 1965