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Sarma, DD and Krishnakumar, SR and Weschke, E and Schubler-Langeheine, C and Mazumdar, Chandan and Kilian, L and Kaindl, G and Mamiya, K and Fujimori, SI and Fujimori, A and Miyadai, T (2003) Metal-insulator crossover behavior at the surface of $NiS_2$. In: Physical Review B (Condensed Matter and Materials Physics), 67 . pp. 155112-1.