A. S-C. CHEUNG, W. S. TAM, J. W-H. LEUNG, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong; SHENGGUI HE, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, China.
\resizebox\textwidth! \includegraphics/home/office/mss/eas/scans/s011.eps