Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yasuaki Sugano and Shintaro Kimura and Katsunosuke Machida and Yoshiyuki Mido,Infrared and Raman spectra of N-n-alkylthioureas,Spectrochimica Acta Part A: Molecular Spectroscopy,0584-8539,Elsevier BV,1988-01-01,44,,661-668,https://cir.nii.ac.jp/crid/1871709542928699008,https://doi.org/10.1016/0584-8539(88)80125-9