Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
OGAWA Takuzo and OKADA Gensuke,Helicopters for Practical Use,Journal of the Society of Mechanical Engineers,00214728,The Japan Society of Mechanical Engineers,1959,62,486,1034-1041,https://cir.nii.ac.jp/crid/1390001205914559104,https://doi.org/10.1299/jsmemag.62.486_1034