Hong Chen, Rong-bin Huang, Xin Lu, Zi-chao Tang, Xin Xu, Lan-sun Zheng, ‘Studies on Carbon/ Sulfur Cluster Anions Produced by Laser Vaporization: Experiment(Collision-induced Dissociation) and Theory (ab initio Calculation) (I)’, J. Chem. Phys., 112(21)(2000)9310-9318.