Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKEMURA Kango and NAKANO Manabu and KUBOTA Tetsuya,The Effect of the Size of Orifice in Airchamber for Acro Engine on the Energy of Flow through the Orifice,機械学會論文集,,The Japan Society of Mechanical Engineers,1935-10,1,4,305-309,https://cir.nii.ac.jp/crid/1570572702191320576,