Goldie

Response of niobium-based superconducting tunnel junctions in the soft-x-ray region 0.15-6.5 keV.

Lederer, Scholze, Videler, 1996, Physical review. B, Condensed matter.

Quasiparticle trapping from a single-crystal superconductor into a normal-metal film via the proximity effect.

Patel, Booth, Salmon, 1990, Physical review letters.