MG Catanesi, E Radicioni, TK Gaisser (Bartol Research Inst.), J Bracinik (Comenius U.), V Cerny (Comenius U.), M Kreps (Comenius U.), M Pikna (Comenius U.), B Sitar (Comenius U.), D Barna (Budapest, RMKI), P Csato (Budapest, RMKI), Z Fodor (Budapest, RMKI), F Sikler (Budapest, RMKI), J Sziklai (Budapest, RMKI), D Varga (Budapest, RMKI), G Veres (Budapest, RMKI), G Vesztergombi (Budapest, RMKI), BC Choudhary (Caltech, Kellogg Lab), DG Michael (Caltech, Kellogg Lab), S Shevchenko (Caltech, Kellogg Lab), F Dydak (CERN), HG Fischer (CERN), A Grant (CERN), J Panman (CERN), S Wenig (CERN), P Zucchelli (CERN), J Bartke (Cracow, INP), E Gornicki (Cracow, INP), A Rybicki (Cracow, INP), SV Afanasev (Dubna, JINR), VI Kolesnikov (Dubna, JINR), AI Malakhov (Dubna, JINR), GL Melkumov (Dubna, JINR), I Boyko (Dubna, JINR), G Chelkov (Dubna, JINR), D Dedovich (Dubna, JINR), M Gostkin (Dubna, JINR), A Zhemchugov (Dubna, JINR), Z Krumshtein (Dubna, JINR), M Nikolenko (Dubna, JINR), E Rogalev (Dubna, JINR), L Betev (Frankfurt U.), P Buncic (Frankfurt U.), R Renfordt (Frankfurt U.), R Stock (Frankfurt U.), A Lebedev (Harvard U.), MD Messier (Harvard U.), R Nichol (University Coll., London), J Thomas (University Coll., London), D Tovee (University Coll., London), C Hohne (Marburg U.), F Puhlhofer (Marburg U.), M Bonesini, M Paganoni, A Tonazzo, V Palladino, G Barr (Oxford U.), A De Santo (Oxford U.), B Raeven (Oxford U.), A Weber (Oxford U.), A Guglielmi, T Patzak (College de France), VV Ammosov (Serpukhov, IHEP), A Semak (Serpukhov, IHEP), U Dore, R Edgecock (Rutherford), CN Booth (Sheffield U.), P Hodgson (Sheffield U.), N Darmenov (Sofiya U.), A Dimitrov (Sofiya U.), D Kolev (Sofiya U.), L Litov (Sofiya U.), M Makariev (Sofiya U.), M Mateev (Sofiya U.), S Stoynev (Sofiya U.), M Chizhov (Sofiya U.), R Tsenov (Sofiya U.), V Genchev (Sofiya, Inst. Nucl. Res.), I Damgov (Sofiya, Inst. Nucl. Res.), P Vankov (Sofiya, Inst. Nucl. Res.), S Affakumov (Stanford U., Appl. Mech. Dept.), L Wai (Stanford U., Appl. Mech. Dept.), SG Wojcicki (Stanford U., Appl. Mech. Dept.), E Falk (Sussex U.), PG Harris (Sussex U.), S Kopp (Texas U.), K Lang (Texas U.), H Bialkowska (Warsaw, Inst. Nucl. Studies), B Boimska (Warsaw, Inst. Nucl. Studies), K Kadija (Boskovic Inst., Zagreb), T Susa (Boskovic Inst., Zagreb)