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Jordan, R.M.; Siddiqui, H.R.; Siska, P.E., Potential energy curves for the a3«SIGMA»u + c3«SIGMA»g+ states of He2 consistent with differential scattering, ab initio theory, and low-temperature exchange rates, J. Chem. Phys., 1986, 84, 6719-6727. [all data]