Intensity of extrinsic optical transitions in phosphorus-doped silicon Andreev, B. A. ; Ikonnikov, V. B. ; Kozlov, E. B. ; Lifshitz, T. M. ; Shmagin, V. B. Abstract Publication: ZhETF Pisma Redaktsiiu Pub Date: January 1989 Bibcode: 1989ZhPmR..49...39A