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Ozeki, H.; Cockett, M.C.R.; Okuyama, K.; Takahashi, M.; Kumura, K., Structural isomers and tautomerism of 2-hydroxypyridine in the cation ground state studied by zero kinetic energy (ZEKE) photoelectron spectroscopy, J. Phys. Chem., 1995, 99, 8608. [all data]