TY - JOUR KW - paper AU - E Luppi AU - Hannes Hübener AU - Valérie Véniard BT - PHYSICAL REVIEW B DA - DEC DO - 10.1103/PhysRevB.82.235201 M1 - 8 PY - 2010 T2 - PHYSICAL REVIEW B TI - Ab initio second-order nonlinear optics in solids: second harmonic generation spectroscopy from Time-Dependent Functional Theory VL - 82 ER -