Measurement of the I-V characteristics of superconducting dipoles : automatic compensation of low frequency drift E. Lesquey, F. Gire, C. Dolabdjian, M.L.Chok Sing and R. Robbes J. Phys. IV France, 04 C6 (1994) C6-199-C6-204 DOI: 10.1051/jp4:1994632