Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kamada Masao and Kato Riso,Phonon Side Bands of the Triplet Absorption in NaNO2,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1978,45,1,169-174,https://cir.nii.ac.jp/crid/1390282679166203904,https://doi.org/10.1143/jpsj.45.169