CARE-Pub-04-004 Super–conducting niobium films produced by means of UHV arc J. Langner, M. J. Sadowski, K. Czaus, R. Mirowski, J. Witkowski, L. Catani, A.Cianchi, R. Russo, S. Tazzari, F.Tazzioli, D. Proch, N.N. Koval, Y.H. Akhmadeev
Czechoslovak Journal of Physics, Vol. 54 (2004), Suppl. C