Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
HIRST D.,Automatic modelling of fundamental frequency using a quadratic spline function,Travaux de l'Institut de Phonetique d'Aix,,,1993,15,,75-85,https://cir.nii.ac.jp/crid/1570291224767453056,