Theoretical Studies on Electronic Spectrum and Third-order Nonlinear Optical Properties of Centrosymmetric Pyrazine Derivatives
QIU Yong-Qing, YU Hai-Ying, SU Zhong-Min, ZHAO Liang, WANG Rong-Shun, ZHU Yu-Lan,
Chem. J. Chinese Universities . 2004, (12): 2335 -2338 .