Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL Institution of Mechanical Engineers (Great Britain). Fluid Power Transmission Group and Filtration Society (Great Britain),Contamination in fluid power systems : conference,,Mechanical Engineering Publications for The Institution,1977,IMechE conference publications,,0852983638,,https://cir.nii.ac.jp/crid/1130282272388322688