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 "Kovanen, Janne",Improving dynamic characteristics of open-loop controlled log crane,,Lappeenrannan teknillinen yliopisto,2003,Acta Universitatis Lappeenrantaensis,,9517647980,,https://cir.nii.ac.jp/crid/1130282272787250688