著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Thelen, Esther and Ulrich, Beverly D. and Wolff, Peter H.",Hidden skills : a dynamic systems analysis of treadmill stepping during the first year,,Society for Research in Child Development,1991,Monographs of the Society for Research in Child Development,,0226794768,,https://cir.nii.ac.jp/crid/1130282270999522432