4. All-Metal Antiaromatic Molecule: Rectangular Al₄^4- in the Li₃Al₄^- Anion
A. E. Kuznetsov, K. A. Birch, A. I. Boldyrev, X. Li, H. J. Zhai, and L. S. Wang
Science 300, 622-625 (2003).

3. Au₂₀: A Tetrahedral Cluster
J. Li, X. Li, H. J. Zhai, and L. S. Wang
Science 299, 864-867 (2003).

2. Bulk-Like Features in the Photoemission Spectra of Hydrated Doubly-Charged Anion Clusters
X. B. Wang, X. Yang, J. B. Nicholas, and L. S. Wang
Science 294, 1322-1325 (2001).

1. Observation of All-Metal Aromatic Molecules
X. Li, A. E. Kuznetsov, H. F. Zhang, A. I. Boldyrev, and L. S. Wang
Science 291, 859-861 (2001).