69,71Ga solid state static, MAS and DAS NMR study of β-Ga2O3D Massiot, I Farnan, N Gautier, D Trumeau, P Florian and PJ GrandinettiJ. Chim. Phys., 92 (1995) 1847-1850DOI: https://doi.org/10.1051/jcp/1995921847