Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Eitarou Oka and Lynne D. Talley and Toshio Suga,Temporal Variability of Winter Mixed Layer in the Mid- to High-Latitude North Pacific,Journal of oceanography,09168370,Tokyo : Oceanographic Society of Japan,2007-04,63,2,293-307,https://cir.nii.ac.jp/crid/1521136280854685824,