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
"Steinbruegge, G. W. and Istituto elettrotecnico nazionale Galileo Ferraris",The ideal tractive efficiency of soils,,Politecnico di Torino,1961,1° convegno internazionale del movimento fuori strada = 1st international conference on the mechanics of soil-vehicle systems,,,,https://cir.nii.ac.jp/crid/1130282271874124032