doi:10.1016/0370-2693(84)91121-3engBardin, GDuclos, JMagnon, AMartino, JZavattini, EmilioBertin, ACapponi, MPiccinini, MVitale, AA new measurement of the positive muon lifetimeParticle Physics - ExperimentCERN-EP-84-091984-01-30http://cds.cern.ch/record/14965710.1016/0370-2693(84)91121-3http://cds.cern.ch/record/149657oai:cds.cern.ch:149657