Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Paul J. Shayler and Lawrence Alger,A simple system for sampling cylinder gases and its application to measure dilution by residuals on an S.I. engine with VVT,自動車技術会論文集 = Transactions of the Society of Automotive Engineers of Japan,02878321,東京 : 自動車技術会,2007-07,38,4,59-63,https://cir.nii.ac.jp/crid/1520009409335556864,