Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Nolting, Louvan E. and Feshbach, Murray and United States. Bureau of the Census and United States. Bureau of the Census. Foreign Demographic Analysis Division",Statistics on research and development employment in the U.S.S.R.,,"U.S. Dept. of Commerce, Bureau of the Census : For sale by Supt. of Docs., U.S. G.P.O.",1981,International population reports,,,,https://cir.nii.ac.jp/crid/1130282272874770560