1. The real part of the proton-antiproton elastic scattering amplitude at the centre of mass energy of 546 GeV
2. M. Bozzo, G. Sette and M. Zito, Dipartimento di Fisica, Universitá di Genova and Sezione INFN, Genova, Italy, C. Augier, D. Bernard, J. Bourotte and M. Haguenauer, Ecole Polytechnique/IN2P3-CNRS, Palaiseau, France, V. Kundrát, S. Nẽmec̃ek, M. Novák and M. Smiz̃anská, Czechoslovak Academy of Sciences, Praha, Czechoslovakia,
3. R. Cardarelli, L. Cerrito, G. Matthiae and F. Natali, Dipartimento di Fisica, Universitá di Roma II and Sezione INFN, Roma, Italy
4. F. Alted, R. Cases, E. Sanchis and J. Velasco, IFIC, Centro Mixto Universitad de Valencia-CSIC, Valencia, Spain.
5. CERN/SPSC 90-9, SPSC/P250.