Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IKEZAWA Michio,Fourier Spectroscopy of Individual Nitrogen Impurity Centers in GaAs,31th International Conference on the Physics of Semiconductors (ICPS2012) Proceeding,,,,,,,https://cir.nii.ac.jp/crid/1010000782174594817,