Ion beam machining of niobium weakly superconducting microbridges R. Adde, P. Crozat, S. Gourrier, G. Vernet, M. Bernheim et D. ZenattiRev. Phys. Appl. (Paris), 9 1 (1974) 179-181DOI: https://doi.org/10.1051/rphysap:0197400901017900