TY - JOUR KW - non-Palaiseau KW - paper AU - Lucia Reining AU - Rodolfo Del Sole AU - M. Cini AU - Jiang Ping BT - Phys. Rev. B DA - Sep DO - 10.1103/PhysRevB.50.8411 M1 - 12 PB - American Physical Society PY - 1994 EP - 8411 T2 - Phys. Rev. B TI - Microscopic calculation of second-harmonic generation at semiconductor surfaces: As/Si(111) as a test case VL - 50 ER -