M Diakonou (Athens U.), C Kourkoumelis (Athens U.), LK Resvanis (Athens U.), TA Filippas (Athens, Tech. U.), E Fokitis (Athens, Tech. U.), S Karpathopoulos (Athens, Tech. U.), AM Cnops (Brookhaven), EC Fowler (Brookhaven), DM Hood (Brookhaven), T Killian (Brookhaven), T Ludlam (Brookhaven), RB Palmer (Brookhaven), DC Rahm (Brookhaven), P Rehak (Brookhaven), I Stumer (Brookhaven), D Cockerill (CERN), CW Fabjan (CERN), A Hallgren (CERN), M Kreisler (CERN), D Lissauer (CERN), I Mannelli (CERN), W Molzon (CERN), P Mouzourakis (CERN), BS Nielsen (CERN), Y Oren (CERN), L Rosselet (CERN), WJ Willis (CERN), O Botner (Bohr Inst.), H Boggild (Bohr Inst.), E Dahl-Jensen (Bohr Inst.), I Dahl-Jensen (Bohr Inst.), G Damgaard (Bohr Inst.), KH Hansen (Bohr Inst.), J Hooper (Bohr Inst.), R Moller (Bohr Inst.), SO Nielsen (Bohr Inst.), B Schistad (Bohr Inst.), T Akesson (Lund U.), S Almehed (Lund U.), G von Dardel (Lund U.), S Henning (Lund U.), G Jarlskog (Lund U.), B Lorstad (Lund U.), A Melin (Lund U.), U Mjornmark (Lund U.), A Nilsson (Lund U.), L Svensson (Lund U.), MG Albrow (Rutherford), N A McCubbin (Rutherford), O Benary (Tel Aviv U.), S Dagan (Tel Aviv U.)