M G Catanesi, M T Muciaccia, E Radicioni, P Righini, S Simone, I Boyko (Dubna, JINR), S Bunyatov (Dubna, JINR), G Chelkov (Dubna, JINR), D Dedovich (Dubna, JINR), P Evtukhovich (Dubna, JINR), L Gongadze (Dubna, JINR), G Glonti (Dubna, JINR), M Gostkin (Dubna, JINR), S Kotov (Dubna, JINR), D Kharchenko (Dubna, JINR), O Klimov (Dubna, JINR), Z Krumshtein (Dubna, JINR), Yu Nefedov (Dubna, JINR), M Nikolenko (Dubna, JINR), B Popov (Dubna, JINR), I Potrap (Dubna, JINR), A Rudenko (Dubna, JINR), E Tskhadadze (Dubna, JINR), V Serdyuk (Dubna, JINR), V Zhuravlev (Dubna, JINR), M Doucet (CERN), F Dydak (CERN), J P Fabre (CERN), A Grant (CERN), L Linssen (CERN), J Panman (CERN), I M Papadopoulos (CERN), F J P Soler (CERN), P Zucchelli (CERN), R Edgecock (Rutherford), A Blondel (Geneva U.), U Gastaldi (INFN, Legnaro), G Gregoire (Louvain U.), M Bonesini, M Calvi, S Gilardoni, M Paganoni, A Pullia, S Gninenko (Moscow, INR), M Kirsanov (Moscow, INR), Yu Musienko (Moscow, INR), A Polyarush (Moscow, INR), A Toropin (Moscow, INR), V Palladino, M Baldo-Ceolin, F Bobisut, D Gibin, A Guglielmi, M Laveder, M Mezzetto, J Dumarchez (Paris U., VI-VII), F Vannucci (Paris U., VI-VII), U Dore, M Chizhov (Sofiya U.), D Kolev (Sofiya U.), R Tsenov (Sofiya U.), G Giannini, G Santin, A Cervera-Villanueva (Valencia U.), J Diaz (Valencia U.), A Faus-Golfe (Valencia U.), J J Gomez-Cadenas (Valencia U.), M C Gonzalez-Garcia (Valencia U.), J Velasco (Valencia U.), P Gruber (Vienna, Tech. U.)