Steady-state infrared evidence of the photoinduced aci-nitro tautomer of solid 2-(2′,4′-dinitrobenzyl)pyridine,

P. Naumov, Steady-state infrared evidence of the photoinduced aci-nitro tautomer of solid 2-(2′,4′-dinitrobenzyl)pyridine, Bulletin of the Chemists and Technologists of Macedonia, 23(2), 87–92 (2004).