TY - JOUR KW - paper AU - Stefan Albrecht AU - Lucia Reining AU - G Onida AU - Olevano V AU - Rodolfo Del Sole BT - Phys. Rev. Lett. CY - ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA DA - NOV 8 M1 - 19 PB - AMERICAN PHYSICAL SOC PP - ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA PY - 1999 EP - 3971 T2 - Phys. Rev. Lett. TI - Comment on \textquoteleft\textquoteleftAb initio calculation of excitonic effects in the optical spectra of semiconductors\textquoteright\textquoteright - Albrecht et al. reply VL - 83 ER -