Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Iwamoto Seiichi,Maximum Altitude : An Invariant Imbedding,經濟學研究,0022975X,"Society of Political Economy, Kyushu University",2005-08-09,71,5/6,1-18,https://cir.nii.ac.jp/crid/1390572174788942976,https://doi.org/10.15017/7621