Nucleon time-like form factors below the threshold R. Baldini, S. Dubnička, P. Gauzzi, S. Pacetti, E. Pasqualucci and Y. Srivastava Eur. Phys. J. C, 11 4 (1999) 709-715 Published online: 03 November 1999 DOI: 10.1007/s100529900077