I. EXPÉRIENCES PASSÉES ET FUTURES / I. PAST AND FUTURE EXPERIMENTSRESEARCHES IN FRASCATI ON THE REACTIONS e+ e– → e+ e– + X. THE RESULTS OF THE "γγ GROUP" G. SALVINIJ. Phys. Colloques, 35 C2 (1974) C2-1-C2-8DOI: https://doi.org/10.1051/jphyscol:1974201
