Reference Label	Details
Yang 1988	S. Yang, K. J. Taylor, M. J. Craycraft, J. Conceicao, C. L. Pettiette, O. Cheshnovsky, and R. E. Smalley, Chem. Phys. Lett. 144, 431-436 (1988) UPS of 2–30-atom Carbon Clusters: Chains and Rings