Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Hauser, Philip Morris","Aging of population and labor force for World, more developed and less developed areas and their regions : pupulation aging 1970-2025 ; labor force aging 1970-2000",,Nihon University Population Research Institute,1983,NUPRI research paper series,,,,https://cir.nii.ac.jp/crid/1130282270356201344