TY - JOUR KW - non-Palaiseau KW - paper AU - Lucia Reining AU - Rodolfo Del Sole BT - Phys. Rev. B DA - Dec DO - 10.1103/PhysRevB.38.12768 M1 - 17 PB - American Physical Society PY - 1988 SP - 12768 EP - 12771 T2 - Phys. Rev. B TI - Screening properties of surface states at Si(111) 2x1 VL - 38 ER -