Invited CommunicationPerspectives of the cryo-electronics for the year 2000 E.A. Gutiérrez-D., C. Claeys, E. Simoen et S.V. Koshevaya J. Phys. IV France, 08 PR3 (1998) Pr3-315-Pr3-320 DOI: 10.1051/jp4:1998370