Critical temperature and interface transparency of N/S/N triple layers: theory and experiment V. N. Kushnir, S. L. Prischepa, C. Cirillo and C. Attanasio Eur. Phys. J. B, 52 1 (2006) 9-14 Published online: 29 June 2006 DOI: 10.1140/epjb/e2006-00264-0