Studies of model organic and inorganic compounds by 15N CP MAS NMR using Inversion Recovery Cross PolarizationC Bonhomme, F Babonneau, J Maquet, J Livage, M Vaultier and E FrameryJ. Chim. Phys., 92 (1995) 1881-1884DOI: https://doi.org/10.1051/jcp/1995921881