Citir, M., Hinton, C. S., Oomens, J., Steill, J. D., & Armentrout, P. B. (2012). Infrared multiple photon dissociation spectroscopy of protonated histidine and 4-phenyl imidazole. International Journal of Mass Spectrometry, 330–332, 6-15. https://doi.org/10.1016/j.ijms.2012.06.002
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