by Sigg, D, Badertscher, A, Bogdan, M, Goudsmit, PF, Leisi, HJ, Matsinos, E, Schröder, H, Zhao, ZG, Chatellard, D, Egger, J, Jeannet, E, Aschenauer, EC, Gabathuler, K, Simons, LM, Rusi El Hassani AJ
Published in Physical review letters (30.10.1995)

by Schröder, H.-Ch, Badertscher, A., Goudsmit, P.F.A., Janousch, M., Leisi, H.J., Matsinos, E., Sigg, D., Zhao, Z.G., Chatellard, D., Egger, J.-P., Gabathuler, K., Hauser, P., Simons, L.M., Rusi El Hassani, A.J.
Published in The European physical journal. C, Particles and fields (01.07.2001)