Probing the Carbon-Nitrogen Bonding in Heterocyclic Compounds with the N K-Shell Excitation Spectroscopy St Bender, R. Franke, J. Hormes, A. A. Pavlychev, N. G. Fominykh et V. V. ShemelevJ. Phys. IV France, 7 C2 (1997) C2-527-C2-528DOI: https://doi.org/10.1051/jp4/1997083