Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Parkins, David and Parkway Group and Selway, Martina",Decimals,,Cambridge University Press,1983,SMP 11-16,,"0521251567,052125177X,0521251885",,https://cir.nii.ac.jp/crid/1130282268833983488