Theoretical studies on the mechanism of primary electron transfer in the photosynthetic reaction center of Rhodobacter sphaeroides - Xu, Hong; Zhang, Ru-Bo; Ma, Shu-Hua; Qu, Zheng-Wang; Zhang, Xing-Kang; Zhang, Qi-Yuan (Photosynthesis Research: Official Journal of the International Society of Photosynthesis Research, 2002)