editor-in-chief, Fun-Sun F. Yao ; associate editors, Vinod Malhotra, Manuel L. Fontes. editor-in-chief, Per-Olov Lowdin, associate editors, John R. Sabin and Michael C. Zerner. editor-in-chief, Philip T. Cagle ; associate editors, Timothy C. Allen [and 15 others]. editor in chief, Harold L. May ; associate editors, Richard V. Aghababian, Gary R. Fleishers. editor-in-chief, Robert C. Weast ; associate editors, Melvin J. Astle, William H. Beyer. editor in chief, Li Junru ; associate editor in chief, Chang Jian. editor-in-chief, Alexander Lyubimov ; associate editors, A. David Rodrigues, Michael A. Sinz. editor in chief, Wang Guang-ce ; associate editors, Xia Bang-mei, Lim Phaik Eem. editor in chief, Wang Jianjun ; associate editor, Gao Chengyun, Li Jing. editor-in-chief, S.D. Haddad ; associate editor, N. Watson.